<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/AccumulatedOtherComprehensiveLoss" xlink:href="adsk-20181031.xsd#AccumulatedOtherComprehensiveLoss" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/AccumulatedOtherComprehensiveLossDetails" xlink:href="adsk-20181031.xsd#AccumulatedOtherComprehensiveLossDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/AccumulatedOtherComprehensiveLossTables" xlink:href="adsk-20181031.xsd#AccumulatedOtherComprehensiveLossTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/Acquisitions" xlink:href="adsk-20181031.xsd#Acquisitions" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/AcquisitionsNarrativeDetails" xlink:href="adsk-20181031.xsd#AcquisitionsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/AcquisitionsSummaryOfFairValueOfAssetsAcquiredAndLiabilitiesAssumedByMajorClassDetails" xlink:href="adsk-20181031.xsd#AcquisitionsSummaryOfFairValueOfAssetsAcquiredAndLiabilitiesAssumedByMajorClassDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/AcquisitionsTables" xlink:href="adsk-20181031.xsd#AcquisitionsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/BasisOfPresentation" xlink:href="adsk-20181031.xsd#BasisOfPresentation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/BasisOfPresentationPolicies" xlink:href="adsk-20181031.xsd#BasisOfPresentationPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/BorrowingArrangements" xlink:href="adsk-20181031.xsd#BorrowingArrangements" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/BorrowingArrangementsAdditionalInformationDetails" xlink:href="adsk-20181031.xsd#BorrowingArrangementsAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/CommitmentsAndContingencies" xlink:href="adsk-20181031.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/ComputerEquipmentSoftwareFurnitureAndLeaseholdImprovementsNet" xlink:href="adsk-20181031.xsd#ComputerEquipmentSoftwareFurnitureAndLeaseholdImprovementsNet" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/ComputerEquipmentSoftwareFurnitureAndLeaseholdImprovementsNetDetails" xlink:href="adsk-20181031.xsd#ComputerEquipmentSoftwareFurnitureAndLeaseholdImprovementsNetDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/ComputerEquipmentSoftwareFurnitureAndLeaseholdImprovementsNetTables" xlink:href="adsk-20181031.xsd#ComputerEquipmentSoftwareFurnitureAndLeaseholdImprovementsNetTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/ConcentrationOfCreditRisk" xlink:href="adsk-20181031.xsd#ConcentrationOfCreditRisk" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/ConcentrationOfCreditRiskAdditionalInformationDetails" xlink:href="adsk-20181031.xsd#ConcentrationOfCreditRiskAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/CondensedConsolidatedBalanceSheets" xlink:href="adsk-20181031.xsd#CondensedConsolidatedBalanceSheets" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/CondensedConsolidatedStatementsOfCashFlows" xlink:href="adsk-20181031.xsd#CondensedConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/CondensedConsolidatedStatementsOfComprehensiveLoss" xlink:href="adsk-20181031.xsd#CondensedConsolidatedStatementsOfComprehensiveLoss" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/CondensedConsolidatedStatementsOfComprehensiveLossParenthetical" xlink:href="adsk-20181031.xsd#CondensedConsolidatedStatementsOfComprehensiveLossParenthetical" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/CondensedConsolidatedStatementsOfOperations" xlink:href="adsk-20181031.xsd#CondensedConsolidatedStatementsOfOperations" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/DeferredCompensation" xlink:href="adsk-20181031.xsd#DeferredCompensation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/DeferredCompensationAdditionalInformationDetails" xlink:href="adsk-20181031.xsd#DeferredCompensationAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/DocumentAndEntityInformation" xlink:href="adsk-20181031.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/FinancialInstruments" xlink:href="adsk-20181031.xsd#FinancialInstruments" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/FinancialInstrumentsContractualMaturitiesOfTypesOfSecuritiesDetails" xlink:href="adsk-20181031.xsd#FinancialInstrumentsContractualMaturitiesOfTypesOfSecuritiesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/FinancialInstrumentsCostAndFairValueOfFinancialInstrumentsDetails" xlink:href="adsk-20181031.xsd#FinancialInstrumentsCostAndFairValueOfFinancialInstrumentsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/FinancialInstrumentsEffectsOfDerivativeInstrumentsOnCondensedConsolidatedStatementsOfOperationsDetails" xlink:href="adsk-20181031.xsd#FinancialInstrumentsEffectsOfDerivativeInstrumentsOnCondensedConsolidatedStatementsOfOperationsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/FinancialInstrumentsFairValueOfDerivativeInstrumentsDetails" xlink:href="adsk-20181031.xsd#FinancialInstrumentsFairValueOfDerivativeInstrumentsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/FinancialInstrumentsNarrativeDetails" xlink:href="adsk-20181031.xsd#FinancialInstrumentsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/FinancialInstrumentsReconciliationOfChangeInLevel3ItemsDetails" xlink:href="adsk-20181031.xsd#FinancialInstrumentsReconciliationOfChangeInLevel3ItemsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/FinancialInstrumentsTables" xlink:href="adsk-20181031.xsd#FinancialInstrumentsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/Goodwill" xlink:href="adsk-20181031.xsd#Goodwill" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/GoodwillChangesInCarryingAmountOfGoodwillDetails" xlink:href="adsk-20181031.xsd#GoodwillChangesInCarryingAmountOfGoodwillDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/GoodwillTables" xlink:href="adsk-20181031.xsd#GoodwillTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/IncomeTax" xlink:href="adsk-20181031.xsd#IncomeTax" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/IncomeTaxNarrativeDetails" xlink:href="adsk-20181031.xsd#IncomeTaxNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/NetLossPerShare" xlink:href="adsk-20181031.xsd#NetLossPerShare" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/NetLossPerShareDetails" xlink:href="adsk-20181031.xsd#NetLossPerShareDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/NetLossPerShareTables" xlink:href="adsk-20181031.xsd#NetLossPerShareTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/OtherIntangibleAssetsNet" xlink:href="adsk-20181031.xsd#OtherIntangibleAssetsNet" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/OtherIntangibleAssetsNetDetails" xlink:href="adsk-20181031.xsd#OtherIntangibleAssetsNetDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/OtherIntangibleAssetsNetTables" xlink:href="adsk-20181031.xsd#OtherIntangibleAssetsNetTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/RecentlyIssuedAccountingStandards" xlink:href="adsk-20181031.xsd#RecentlyIssuedAccountingStandards" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/RecentlyIssuedAccountingStandardsAdoptionOfNewAccountingStandardBalanceSheetDetails" xlink:href="adsk-20181031.xsd#RecentlyIssuedAccountingStandardsAdoptionOfNewAccountingStandardBalanceSheetDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/RecentlyIssuedAccountingStandardsAdoptionOfNewAccountingStandardIncomeStatementDetails" xlink:href="adsk-20181031.xsd#RecentlyIssuedAccountingStandardsAdoptionOfNewAccountingStandardIncomeStatementDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/RecentlyIssuedAccountingStandardsNarrativeDetails" xlink:href="adsk-20181031.xsd#RecentlyIssuedAccountingStandardsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/RecentlyIssuedAccountingStandardsTables" xlink:href="adsk-20181031.xsd#RecentlyIssuedAccountingStandardsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/RestructuringAndOtherExitCostsNet" xlink:href="adsk-20181031.xsd#RestructuringAndOtherExitCostsNet" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/RestructuringAndOtherExitCostsNetNarrativeDetails" xlink:href="adsk-20181031.xsd#RestructuringAndOtherExitCostsNetNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/RestructuringAndOtherExitCostsNetRollForwardDetails" xlink:href="adsk-20181031.xsd#RestructuringAndOtherExitCostsNetRollForwardDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/RestructuringAndOtherExitCostsNetTables" xlink:href="adsk-20181031.xsd#RestructuringAndOtherExitCostsNetTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/RevenueRecognition" xlink:href="adsk-20181031.xsd#RevenueRecognition" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/RevenueRecognitionContractRevenueDetails" xlink:href="adsk-20181031.xsd#RevenueRecognitionContractRevenueDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/RevenueRecognitionNarrativeDetails" xlink:href="adsk-20181031.xsd#RevenueRecognitionNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/RevenueRecognitionTables" xlink:href="adsk-20181031.xsd#RevenueRecognitionTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/Segments" xlink:href="adsk-20181031.xsd#Segments" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/SegmentsDetails" xlink:href="adsk-20181031.xsd#SegmentsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/StockBasedCompensationExpense" xlink:href="adsk-20181031.xsd#StockBasedCompensationExpense" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/StockBasedCompensationExpenseAdditionalInformationDetails" xlink:href="adsk-20181031.xsd#StockBasedCompensationExpenseAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/StockBasedCompensationExpenseAssumptionUsedToEstimateFairValueOfStockBasedAwardsDetails" xlink:href="adsk-20181031.xsd#StockBasedCompensationExpenseAssumptionUsedToEstimateFairValueOfStockBasedAwardsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/StockBasedCompensationExpenseStockBasedCompensationExpenseDetails" xlink:href="adsk-20181031.xsd#StockBasedCompensationExpenseStockBasedCompensationExpenseDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/StockBasedCompensationExpenseSummaryOfEsppActivityDetails" xlink:href="adsk-20181031.xsd#StockBasedCompensationExpenseSummaryOfEsppActivityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/StockBasedCompensationExpenseSummaryOfRestrictedStockAwardAndRestrictedStockUnitActivityDetails" xlink:href="adsk-20181031.xsd#StockBasedCompensationExpenseSummaryOfRestrictedStockAwardAndRestrictedStockUnitActivityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/StockBasedCompensationExpenseTables" xlink:href="adsk-20181031.xsd#StockBasedCompensationExpenseTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/StockholdersDeficit" xlink:href="adsk-20181031.xsd#StockholdersDeficit" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/StockholdersDeficitDetails" xlink:href="adsk-20181031.xsd#StockholdersDeficitDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/StockholdersDeficitNarrativeDetails" xlink:href="adsk-20181031.xsd#StockholdersDeficitNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/StockholdersDeficitTables" xlink:href="adsk-20181031.xsd#StockholdersDeficitTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/SubsequentEvents" xlink:href="adsk-20181031.xsd#SubsequentEvents" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/SubsequentEventsDetails" xlink:href="adsk-20181031.xsd#SubsequentEventsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/SubsequentEventsTables" xlink:href="adsk-20181031.xsd#SubsequentEventsTables" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" xlink:type="simple" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/AccumulatedOtherComprehensiveLoss" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/AccumulatedOtherComprehensiveLossDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_B8499BE0BBECA33D67ED36CF401E99E8" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_ABEBDB0BA5631C12ACA536CF401C7C70" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_B8499BE0BBECA33D67ED36CF401E99E8" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_ABEBDB0BA5631C12ACA536CF401C7C70" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_E22286DAF41292C8138636CF401CCCCC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_ABEBDB0BA5631C12ACA536CF401C7C70" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_E22286DAF41292C8138636CF401CCCCC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_BA74A1E9328E368AB82D36CF401D60D0_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_E22286DAF41292C8138636CF401CCCCC" xlink:to="loc_us-gaap_EquityComponentDomain_BA74A1E9328E368AB82D36CF401D60D0_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_BA74A1E9328E368AB82D36CF401D60D0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_E22286DAF41292C8138636CF401CCCCC" xlink:to="loc_us-gaap_EquityComponentDomain_BA74A1E9328E368AB82D36CF401D60D0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_1431074D843FC9A0745836CF401D0980" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_BA74A1E9328E368AB82D36CF401D60D0" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_1431074D843FC9A0745836CF401D0980" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:label="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_4C60F601E2E10DF47CCD36CF401D1651" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_BA74A1E9328E368AB82D36CF401D60D0" xlink:to="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_4C60F601E2E10DF47CCD36CF401D1651" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_BD493FA0060E03ADC50936CF401E6378" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_BA74A1E9328E368AB82D36CF401D60D0" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_BD493FA0060E03ADC50936CF401E6378" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedTranslationAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_7363960228F8C50AF92436CF401EE1BE" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_BA74A1E9328E368AB82D36CF401D60D0" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_7363960228F8C50AF92436CF401EE1BE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_85961FB7F5E2A525A39C36CF401E54EF" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_BA74A1E9328E368AB82D36CF401D60D0" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_85961FB7F5E2A525A39C36CF401E54EF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AOCIAttributableToParentNetOfTaxRollForward" xlink:label="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_124F7D403D9452BC410936CF401E06F5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_B8499BE0BBECA33D67ED36CF401E99E8" xlink:to="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_124F7D403D9452BC410936CF401E06F5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_341D80AA35E5864E15FC36CF401F018E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_124F7D403D9452BC410936CF401E06F5" xlink:to="loc_us-gaap_StockholdersEquity_341D80AA35E5864E15FC36CF401F018E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_E16ACCE27B678C57FDF036CF401F94FB" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_124F7D403D9452BC410936CF401E06F5" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_E16ACCE27B678C57FDF036CF401F94FB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent_E9D42625CFF73330C00636CF40205740" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_124F7D403D9452BC410936CF401E06F5" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent_E9D42625CFF73330C00636CF40205740" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1_02D3933A13EE43B1648336CF40208C8E" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_124F7D403D9452BC410936CF401E06F5" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1_02D3933A13EE43B1648336CF40208C8E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_3393AF9DCEF1D61C8AB136CF40201C6C" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_124F7D403D9452BC410936CF401E06F5" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_3393AF9DCEF1D61C8AB136CF40201C6C" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/AccumulatedOtherComprehensiveLossTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/Acquisitions" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/AcquisitionsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_9CFF21CDC4E6B094D92F757FD13AE07F" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_814BE64A58C17255E7CB757FD13913C9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_9CFF21CDC4E6B094D92F757FD13AE07F" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_814BE64A58C17255E7CB757FD13913C9" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_34BCF68642C90BE0E1D7757FD1395138" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_814BE64A58C17255E7CB757FD13913C9" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_34BCF68642C90BE0E1D7757FD1395138" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_08C034D074C9607BDC73757FD1392B7A_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_34BCF68642C90BE0E1D7757FD1395138" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_08C034D074C9607BDC73757FD1392B7A_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_08C034D074C9607BDC73757FD1392B7A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_34BCF68642C90BE0E1D7757FD1395138" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_08C034D074C9607BDC73757FD1392B7A" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_AssembleSystemsIncMember" xlink:label="loc_adsk_AssembleSystemsIncMember_898AB6B5F3B31C947B67757FD13A3376" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_08C034D074C9607BDC73757FD1392B7A" xlink:to="loc_adsk_AssembleSystemsIncMember_898AB6B5F3B31C947B67757FD13A3376" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferredIncludingEquityInterestInAcquireeHeldPriorToCombination1" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredIncludingEquityInterestInAcquireeHeldPriorToCombination1_B283933FDACB17016E06757FD13A43EA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_9CFF21CDC4E6B094D92F757FD13AE07F" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredIncludingEquityInterestInAcquireeHeldPriorToCombination1_B283933FDACB17016E06757FD13A43EA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesGross" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_47D6B8CDA8116026BCE9757FD13A3631" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_9CFF21CDC4E6B094D92F757FD13AE07F" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_47D6B8CDA8116026BCE9757FD13A3631" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_AF5E2D45115ACC7922FD757FD13BB8A7" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_9CFF21CDC4E6B094D92F757FD13AE07F" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_AF5E2D45115ACC7922FD757FD13BB8A7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_07A338F40387FD791668757FD13BD17F" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_9CFF21CDC4E6B094D92F757FD13AE07F" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_07A338F40387FD791668757FD13BD17F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1" xlink:label="loc_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1_A614E12A27DEAB3D6452757FD13B947C" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_9CFF21CDC4E6B094D92F757FD13AE07F" xlink:to="loc_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1_A614E12A27DEAB3D6452757FD13B947C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage" xlink:label="loc_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage_9A396B816C5406FF5DC3757FD13BD230" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_9CFF21CDC4E6B094D92F757FD13AE07F" xlink:to="loc_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage_9A396B816C5406FF5DC3757FD13BD230" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain" xlink:label="loc_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_E62B69789E53B90B4F20757FD13B4FE0" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_9CFF21CDC4E6B094D92F757FD13AE07F" xlink:to="loc_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain_E62B69789E53B90B4F20757FD13B4FE0" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/AcquisitionsSummaryOfFairValueOfAssetsAcquiredAndLiabilitiesAssumedByMajorClassDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_566D76D025E25079A0C3EDB66371B170" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_02A779AFD5085D21A96353A7A6DB0376" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_566D76D025E25079A0C3EDB66371B170" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_02A779AFD5085D21A96353A7A6DB0376" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_E33A0F337F845BE28D50C542315DDD6F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_02A779AFD5085D21A96353A7A6DB0376" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_E33A0F337F845BE28D50C542315DDD6F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_A84DC318B0CAECB0A05643B01AC77B42_A8F675A1DB235007973DA4F1CC5840CC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_E33A0F337F845BE28D50C542315DDD6F" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_A84DC318B0CAECB0A05643B01AC77B42_A8F675A1DB235007973DA4F1CC5840CC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_007A773F4EE850BEA57C0D67502F2450" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_E33A0F337F845BE28D50C542315DDD6F" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_007A773F4EE850BEA57C0D67502F2450" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_AssembleSystemsIncMember" xlink:label="loc_adsk_AssembleSystemsIncMember_430A09BA3DFF5B62825D82B53871BD6F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_007A773F4EE850BEA57C0D67502F2450" xlink:to="loc_adsk_AssembleSystemsIncMember_430A09BA3DFF5B62825D82B53871BD6F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_746F3926B341503D97A7BB6F68E427C0" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_02A779AFD5085D21A96353A7A6DB0376" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_746F3926B341503D97A7BB6F68E427C0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_7D56F89F05974D93CD6943B01AC9A97C_A8F675A1DB235007973DA4F1CC5840CC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_746F3926B341503D97A7BB6F68E427C0" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_7D56F89F05974D93CD6943B01AC9A97C_A8F675A1DB235007973DA4F1CC5840CC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_7F681FA1C9F05DEC9956CC8E0AB487BF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_746F3926B341503D97A7BB6F68E427C0" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_7F681FA1C9F05DEC9956CC8E0AB487BF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_7D3E675BE72F508F89027562F9E322F4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_7F681FA1C9F05DEC9956CC8E0AB487BF" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_7D3E675BE72F508F89027562F9E322F4" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_CustomerRelationshipsAndOtherNoncurrentIntangibleAssetsMember" xlink:label="loc_adsk_CustomerRelationshipsAndOtherNoncurrentIntangibleAssetsMember_15F87B53A5C45A369C9F15BE68833B18" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_7F681FA1C9F05DEC9956CC8E0AB487BF" xlink:to="loc_adsk_CustomerRelationshipsAndOtherNoncurrentIntangibleAssetsMember_15F87B53A5C45A369C9F15BE68833B18" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="loc_us-gaap_TradeNamesMember_F8C55010B2225BE086338AA79D5B828C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_7F681FA1C9F05DEC9956CC8E0AB487BF" xlink:to="loc_us-gaap_TradeNamesMember_F8C55010B2225BE086338AA79D5B828C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_F43739914EC15E389E38116242E0D86E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_566D76D025E25079A0C3EDB66371B170" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_F43739914EC15E389E38116242E0D86E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_C82830B7DDA65AF29B46C3C828D86C9C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_566D76D025E25079A0C3EDB66371B170" xlink:to="loc_us-gaap_Goodwill_C82830B7DDA65AF29B46C3C828D86C9C" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedDeferredRevenue" xlink:label="loc_adsk_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedDeferredRevenue_72C993C19217510A9A4925641201F7A5" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_566D76D025E25079A0C3EDB66371B170" xlink:to="loc_adsk_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedDeferredRevenue_72C993C19217510A9A4925641201F7A5" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedNetExcludingIntangibleAssetsAndDeferrals" xlink:label="loc_adsk_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedNetExcludingIntangibleAssetsAndDeferrals_7DB75B877F9056FCB0126C9BC71C8C17" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_566D76D025E25079A0C3EDB66371B170" xlink:to="loc_adsk_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedNetExcludingIntangibleAssetsAndDeferrals_7DB75B877F9056FCB0126C9BC71C8C17" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_DDAF5592B52954F2808CA97EDF926113" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_566D76D025E25079A0C3EDB66371B170" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_DDAF5592B52954F2808CA97EDF926113" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/AcquisitionsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/BasisOfPresentation" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/BasisOfPresentationPolicies" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/BorrowingArrangements" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/BorrowingArrangementsAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_F4987339F1755A97BAF257EE78A444CF" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_80C9E8124C2654B5A94AAD15899FCFE5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_F4987339F1755A97BAF257EE78A444CF" xlink:to="loc_us-gaap_DebtInstrumentTable_80C9E8124C2654B5A94AAD15899FCFE5" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_DA850B7D1C205877B9A3C9390EFAA687" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_80C9E8124C2654B5A94AAD15899FCFE5" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_DA850B7D1C205877B9A3C9390EFAA687" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_8EC86615B8003153EF7E2338F4DEC2E9_A8F675A1DB235007973DA4F1CC5840CC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_DA850B7D1C205877B9A3C9390EFAA687" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_8EC86615B8003153EF7E2338F4DEC2E9_A8F675A1DB235007973DA4F1CC5840CC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_1D3635650B0B50D689D79968EAEEE895" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_DA850B7D1C205877B9A3C9390EFAA687" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_1D3635650B0B50D689D79968EAEEE895" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SeniorNotesMember" xlink:label="loc_us-gaap_SeniorNotesMember_5D421F1CA8B557D692CB88244777A4C8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_1D3635650B0B50D689D79968EAEEE895" xlink:to="loc_us-gaap_SeniorNotesMember_5D421F1CA8B557D692CB88244777A4C8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_78BFEBCEFBAC517B9890D537DEB1A700" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_80C9E8124C2654B5A94AAD15899FCFE5" xlink:to="loc_us-gaap_DebtInstrumentAxis_78BFEBCEFBAC517B9890D537DEB1A700" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_ED5FDBCE24DB9C698DB62338F4DFDABC_A8F675A1DB235007973DA4F1CC5840CC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_78BFEBCEFBAC517B9890D537DEB1A700" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_ED5FDBCE24DB9C698DB62338F4DFDABC_A8F675A1DB235007973DA4F1CC5840CC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_0612A96B6CEC55CC80A0EB74E9E0209A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_78BFEBCEFBAC517B9890D537DEB1A700" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_0612A96B6CEC55CC80A0EB74E9E0209A" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_A3.5NotesdueJune152027Member" xlink:label="loc_adsk_A3.5NotesdueJune152027Member_95C5492782E1542BA73085835B74781E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_0612A96B6CEC55CC80A0EB74E9E0209A" xlink:to="loc_adsk_A3.5NotesdueJune152027Member_95C5492782E1542BA73085835B74781E" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_SeniorNotesdue2017Member" xlink:label="loc_adsk_SeniorNotesdue2017Member_ED0296111F325F2688318049F22AC515" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_0612A96B6CEC55CC80A0EB74E9E0209A" xlink:to="loc_adsk_SeniorNotesdue2017Member_ED0296111F325F2688318049F22AC515" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_SeniorNotesdue2020Member" xlink:label="loc_adsk_SeniorNotesdue2020Member_94F262230C295633A1D9F511372D3ED4" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_0612A96B6CEC55CC80A0EB74E9E0209A" xlink:to="loc_adsk_SeniorNotesdue2020Member_94F262230C295633A1D9F511372D3ED4" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_SeniorNotesdue2025Member" xlink:label="loc_adsk_SeniorNotesdue2025Member_6CD8B12974785CCAB295D29005539927" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_0612A96B6CEC55CC80A0EB74E9E0209A" xlink:to="loc_adsk_SeniorNotesdue2025Member_6CD8B12974785CCAB295D29005539927" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_A2015SeniorNotesMember" xlink:label="loc_adsk_A2015SeniorNotesMember_AEB5611D41345A61A0E26DFE82B42A98" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_0612A96B6CEC55CC80A0EB74E9E0209A" xlink:to="loc_adsk_A2015SeniorNotesMember_AEB5611D41345A61A0E26DFE82B42A98" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_SeniorNotesdue2022Member" xlink:label="loc_adsk_SeniorNotesdue2022Member_22BA3415B5755D5FBCB711B702F09A81" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_0612A96B6CEC55CC80A0EB74E9E0209A" xlink:to="loc_adsk_SeniorNotesdue2022Member_22BA3415B5755D5FBCB711B702F09A81" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_A2012SeniorNotesMember" xlink:label="loc_adsk_A2012SeniorNotesMember_59FD9A5CD8BA59FDAD49D7BA20A47264" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_0612A96B6CEC55CC80A0EB74E9E0209A" xlink:to="loc_adsk_A2012SeniorNotesMember_59FD9A5CD8BA59FDAD49D7BA20A47264" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_CFD65BF797755B328D965A90F68D3525" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_F4987339F1755A97BAF257EE78A444CF" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_CFD65BF797755B328D965A90F68D3525" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_523C62B76E735AE6844EBD2819C91070" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_F4987339F1755A97BAF257EE78A444CF" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_523C62B76E735AE6844EBD2819C91070" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscount" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_0347907E6FED5F0CA535D9DF9F908AC2" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_F4987339F1755A97BAF257EE78A444CF" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_0347907E6FED5F0CA535D9DF9F908AC2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredFinanceCostsGross" xlink:label="loc_us-gaap_DeferredFinanceCostsGross_4181A72AE07A533C95CCB1E24DC1C7F5" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_F4987339F1755A97BAF257EE78A444CF" xlink:to="loc_us-gaap_DeferredFinanceCostsGross_4181A72AE07A533C95CCB1E24DC1C7F5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromDebtNetOfIssuanceCosts" xlink:label="loc_us-gaap_ProceedsFromDebtNetOfIssuanceCosts_7197E3A34F81567FAF2634F98BEFC019" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_F4987339F1755A97BAF257EE78A444CF" xlink:to="loc_us-gaap_ProceedsFromDebtNetOfIssuanceCosts_7197E3A34F81567FAF2634F98BEFC019" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_DebtIssuanceRedemptionDiscountPremiumPercentageOfPrincipalAmount" xlink:label="loc_adsk_DebtIssuanceRedemptionDiscountPremiumPercentageOfPrincipalAmount_3DC657D6A99255EAB042AB0D7E4BD45D" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_F4987339F1755A97BAF257EE78A444CF" xlink:to="loc_adsk_DebtIssuanceRedemptionDiscountPremiumPercentageOfPrincipalAmount_3DC657D6A99255EAB042AB0D7E4BD45D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentFairValue" xlink:label="loc_us-gaap_DebtInstrumentFairValue_AFFDAAEB923E587D9A0DAA348CF1B4BB" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_F4987339F1755A97BAF257EE78A444CF" xlink:to="loc_us-gaap_DebtInstrumentFairValue_AFFDAAEB923E587D9A0DAA348CF1B4BB" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_DebtInstrumentRedemptionPrice" xlink:label="loc_adsk_DebtInstrumentRedemptionPrice_3A6A6681088550518662DD5332A8FF91" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_F4987339F1755A97BAF257EE78A444CF" xlink:to="loc_adsk_DebtInstrumentRedemptionPrice_3A6A6681088550518662DD5332A8FF91" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RepaymentsOfDebt" xlink:label="loc_us-gaap_RepaymentsOfDebt_9969CBC13CC0571C94E3BF5E26BE3E0E" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_F4987339F1755A97BAF257EE78A444CF" xlink:to="loc_us-gaap_RepaymentsOfDebt_9969CBC13CC0571C94E3BF5E26BE3E0E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_389B457CEC795B338951F2132D29C02D" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_F4987339F1755A97BAF257EE78A444CF" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_389B457CEC795B338951F2132D29C02D" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_LineOfCreditFacilityAdditionalBorrowingsAvailable" xlink:label="loc_adsk_LineOfCreditFacilityAdditionalBorrowingsAvailable_299349959A3C5A9FB2B80937565CA189" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_F4987339F1755A97BAF257EE78A444CF" xlink:to="loc_adsk_LineOfCreditFacilityAdditionalBorrowingsAvailable_299349959A3C5A9FB2B80937565CA189" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_77D4601F450C535AAB5F4065D83DD530" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_F4987339F1755A97BAF257EE78A444CF" xlink:to="loc_us-gaap_LineOfCredit_77D4601F450C535AAB5F4065D83DD530" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/CommitmentsAndContingencies" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/ComputerEquipmentSoftwareFurnitureAndLeaseholdImprovementsNet" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/ComputerEquipmentSoftwareFurnitureAndLeaseholdImprovementsNetDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6A34D35536FB5F68909CC819190DD19D" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_2B88021277F25C79A2104C091907E3BE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6A34D35536FB5F68909CC819190DD19D" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_2B88021277F25C79A2104C091907E3BE" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_495568A47C0352C59F17B41063EDA2F7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_2B88021277F25C79A2104C091907E3BE" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_495568A47C0352C59F17B41063EDA2F7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_2BB53CCCAD803E261A762338F3EA9654_A8F675A1DB235007973DA4F1CC5840CC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_495568A47C0352C59F17B41063EDA2F7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_2BB53CCCAD803E261A762338F3EA9654_A8F675A1DB235007973DA4F1CC5840CC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_39419DCB40F150C9928DD62715C0BC1D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_495568A47C0352C59F17B41063EDA2F7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_39419DCB40F150C9928DD62715C0BC1D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ComputerEquipmentMember" xlink:label="loc_us-gaap_ComputerEquipmentMember_776195DC1E995B3296D8AAF6AA5FF803" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_39419DCB40F150C9928DD62715C0BC1D" xlink:to="loc_us-gaap_ComputerEquipmentMember_776195DC1E995B3296D8AAF6AA5FF803" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SoftwareDevelopmentMember" xlink:label="loc_us-gaap_SoftwareDevelopmentMember_1D0EC56765075729A1E1C118C154CEAA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_39419DCB40F150C9928DD62715C0BC1D" xlink:to="loc_us-gaap_SoftwareDevelopmentMember_1D0EC56765075729A1E1C118C154CEAA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LandBuildingsAndImprovementsMember" xlink:label="loc_us-gaap_LandBuildingsAndImprovementsMember_17F67F09783C5A738926A63C498A8408" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_39419DCB40F150C9928DD62715C0BC1D" xlink:to="loc_us-gaap_LandBuildingsAndImprovementsMember_17F67F09783C5A738926A63C498A8408" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_FurnitureandEquipmentMember" xlink:label="loc_adsk_FurnitureandEquipmentMember_8B90D8ED61A8531AACB491A8DA0C0FD8" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_39419DCB40F150C9928DD62715C0BC1D" xlink:to="loc_adsk_FurnitureandEquipmentMember_8B90D8ED61A8531AACB491A8DA0C0FD8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_E61873D64A895EAAB5329E3FE0532037" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6A34D35536FB5F68909CC819190DD19D" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_E61873D64A895EAAB5329E3FE0532037" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_CD31F666FDC45704967B89A358E93543" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6A34D35536FB5F68909CC819190DD19D" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_CD31F666FDC45704967B89A358E93543" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_AAA52E1E1DF358CDA0F48409A6BCC500" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_6A34D35536FB5F68909CC819190DD19D" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_AAA52E1E1DF358CDA0F48409A6BCC500" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/ComputerEquipmentSoftwareFurnitureAndLeaseholdImprovementsNetTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/ConcentrationOfCreditRisk" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/ConcentrationOfCreditRiskAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRiskLineItems" xlink:label="loc_us-gaap_ConcentrationRiskLineItems_823CBA4377E881ED53F913328DEB32F2" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRiskTable" xlink:label="loc_us-gaap_ConcentrationRiskTable_E27B32CA40DA0B74E09B13328DE87F60" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_823CBA4377E881ED53F913328DEB32F2" xlink:to="loc_us-gaap_ConcentrationRiskTable_E27B32CA40DA0B74E09B13328DE87F60" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MajorCustomersAxis" xlink:label="loc_srt_MajorCustomersAxis_0B227242E988E718A48113328DE87E51" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_E27B32CA40DA0B74E09B13328DE87F60" xlink:to="loc_srt_MajorCustomersAxis_0B227242E988E718A48113328DE87E51" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_NameOfMajorCustomerDomain" xlink:label="loc_srt_NameOfMajorCustomerDomain_CC35B4AB1A567B3A369613328DE9CA38_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MajorCustomersAxis_0B227242E988E718A48113328DE87E51" xlink:to="loc_srt_NameOfMajorCustomerDomain_CC35B4AB1A567B3A369613328DE9CA38_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_NameOfMajorCustomerDomain" xlink:label="loc_srt_NameOfMajorCustomerDomain_CC35B4AB1A567B3A369613328DE9CA38" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MajorCustomersAxis_0B227242E988E718A48113328DE87E51" xlink:to="loc_srt_NameOfMajorCustomerDomain_CC35B4AB1A567B3A369613328DE9CA38" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_TechDataMember" xlink:label="loc_adsk_TechDataMember_824C773059C268C22D4B13328DE925A3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_CC35B4AB1A567B3A369613328DE9CA38" xlink:to="loc_adsk_TechDataMember_824C773059C268C22D4B13328DE925A3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_05122DD4AD0E4151B72613328DE98FC3" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_E27B32CA40DA0B74E09B13328DE87F60" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_05122DD4AD0E4151B72613328DE98FC3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_A4278B6C5D815B161A9F13328DEA5099_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_05122DD4AD0E4151B72613328DE98FC3" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_A4278B6C5D815B161A9F13328DEA5099_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_A4278B6C5D815B161A9F13328DEA5099" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_05122DD4AD0E4151B72613328DE98FC3" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_A4278B6C5D815B161A9F13328DEA5099" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SalesRevenueNetMember" xlink:label="loc_us-gaap_SalesRevenueNetMember_D42BF69DA46314E7DECE13328DEAC7E9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_A4278B6C5D815B161A9F13328DEA5099" xlink:to="loc_us-gaap_SalesRevenueNetMember_D42BF69DA46314E7DECE13328DEAC7E9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsReceivableMember" xlink:label="loc_us-gaap_AccountsReceivableMember_2AD7476D16AAB459BD7913328DEA5235" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_A4278B6C5D815B161A9F13328DEA5099" xlink:to="loc_us-gaap_AccountsReceivableMember_2AD7476D16AAB459BD7913328DEA5235" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_18DD4DC3FB6ADA799E9513328DEB91F9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_823CBA4377E881ED53F913328DEB32F2" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_18DD4DC3FB6ADA799E9513328DEB91F9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_7158413AC2734DB695FA13328DECE2AB" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_823CBA4377E881ED53F913328DEB32F2" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_7158413AC2734DB695FA13328DECE2AB" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/CondensedConsolidatedBalanceSheets" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/CondensedConsolidatedStatementsOfCashFlows" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/CondensedConsolidatedStatementsOfComprehensiveLoss" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/CondensedConsolidatedStatementsOfComprehensiveLossParenthetical" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/CondensedConsolidatedStatementsOfOperations" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_2B0920A723065D306DE6132798EA4788" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_66D52D5D5DE6016660E2132798E6F077" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_2B0920A723065D306DE6132798EA4788" xlink:to="loc_us-gaap_StatementTable_66D52D5D5DE6016660E2132798E6F077" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="loc_srt_ProductOrServiceAxis_8C1A3E1BC1DB9982FBBF132798E74457" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_66D52D5D5DE6016660E2132798E6F077" xlink:to="loc_srt_ProductOrServiceAxis_8C1A3E1BC1DB9982FBBF132798E74457" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_59EAA23CFE95497B9BED132798E7AADF_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_8C1A3E1BC1DB9982FBBF132798E74457" xlink:to="loc_srt_ProductsAndServicesDomain_59EAA23CFE95497B9BED132798E7AADF_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_59EAA23CFE95497B9BED132798E7AADF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_8C1A3E1BC1DB9982FBBF132798E74457" xlink:to="loc_srt_ProductsAndServicesDomain_59EAA23CFE95497B9BED132798E7AADF" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_SubscriptionandMaintenanceMember" xlink:label="loc_adsk_SubscriptionandMaintenanceMember_9E634477DF6AC5906F27132798E80C1D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_59EAA23CFE95497B9BED132798E7AADF" xlink:to="loc_adsk_SubscriptionandMaintenanceMember_9E634477DF6AC5906F27132798E80C1D" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_SubscriptionRevenueMember" xlink:label="loc_adsk_SubscriptionRevenueMember_68DBC23AD1701433F568132798E8EDFB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adsk_SubscriptionandMaintenanceMember_9E634477DF6AC5906F27132798E80C1D" xlink:to="loc_adsk_SubscriptionRevenueMember_68DBC23AD1701433F568132798E8EDFB" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_MaintenanceRevenueMember" xlink:label="loc_adsk_MaintenanceRevenueMember_21207FB2B959E4648B6A132798E9FB70" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adsk_SubscriptionandMaintenanceMember_9E634477DF6AC5906F27132798E80C1D" xlink:to="loc_adsk_MaintenanceRevenueMember_21207FB2B959E4648B6A132798E9FB70" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_LicenseandOtherMember" xlink:label="loc_adsk_LicenseandOtherMember_22554E919622A6BB0729132798E952C7" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_59EAA23CFE95497B9BED132798E7AADF" xlink:to="loc_adsk_LicenseandOtherMember_22554E919622A6BB0729132798E952C7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="loc_us-gaap_RevenuesAbstract_ACB5667B2E9F2314ECDF132798EACB32" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2B0920A723065D306DE6132798EA4788" xlink:to="loc_us-gaap_RevenuesAbstract_ACB5667B2E9F2314ECDF132798EACB32" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_9C1CD296195753CDB943132798EADB0B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_ACB5667B2E9F2314ECDF132798EACB32" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_9C1CD296195753CDB943132798EADB0B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CostOfRevenueAbstract" xlink:label="loc_us-gaap_CostOfRevenueAbstract_409BBE7F6B2CD70AFF64132798EBC29A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2B0920A723065D306DE6132798EA4788" xlink:to="loc_us-gaap_CostOfRevenueAbstract_409BBE7F6B2CD70AFF64132798EBC29A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_264F49CF73CDA9F64E32132798EB6B05" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfRevenueAbstract_409BBE7F6B2CD70AFF64132798EBC29A" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_264F49CF73CDA9F64E32132798EB6B05" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CostOfGoodsAndServicesSoldAmortization" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSoldAmortization_B6B99212817346090EC8132798EB8C57" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfRevenueAbstract_409BBE7F6B2CD70AFF64132798EBC29A" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSoldAmortization_B6B99212817346090EC8132798EB8C57" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="loc_us-gaap_CostOfRevenue_4E65630B3B3909F0F913132798ECC868" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfRevenueAbstract_409BBE7F6B2CD70AFF64132798EBC29A" xlink:to="loc_us-gaap_CostOfRevenue_4E65630B3B3909F0F913132798ECC868" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_5F56B533258A01B44DEE132798EC254E" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2B0920A723065D306DE6132798EA4788" xlink:to="loc_us-gaap_GrossProfit_5F56B533258A01B44DEE132798EC254E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="loc_us-gaap_OperatingExpensesAbstract_8996C0C0B52348A4656B132798EC3A84" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2B0920A723065D306DE6132798EA4788" xlink:to="loc_us-gaap_OperatingExpensesAbstract_8996C0C0B52348A4656B132798EC3A84" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SellingAndMarketingExpense" xlink:label="loc_us-gaap_SellingAndMarketingExpense_E0335037561DF2B55127132798ED5F33" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_8996C0C0B52348A4656B132798EC3A84" xlink:to="loc_us-gaap_SellingAndMarketingExpense_E0335037561DF2B55127132798ED5F33" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_3DAB0D9D733A60A184F7132798EDA613" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_8996C0C0B52348A4656B132798EC3A84" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_3DAB0D9D733A60A184F7132798EDA613" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_C46B2756F3CAF785D498132798EEED7E" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_8996C0C0B52348A4656B132798EC3A84" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_C46B2756F3CAF785D498132798EEED7E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_4662C7E96B06A2EAB7B2132798EEA200" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_8996C0C0B52348A4656B132798EC3A84" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_4662C7E96B06A2EAB7B2132798EEA200" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_RestructuringChargesNetofAdjustments" xlink:label="loc_adsk_RestructuringChargesNetofAdjustments_A9560E471D5600602A84132798EE2463" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_8996C0C0B52348A4656B132798EC3A84" xlink:to="loc_adsk_RestructuringChargesNetofAdjustments_A9560E471D5600602A84132798EE2463" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_40C9032BF4992A766899132798EFD0C7" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_8996C0C0B52348A4656B132798EC3A84" xlink:to="loc_us-gaap_OperatingExpenses_40C9032BF4992A766899132798EFD0C7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_E19BCD0A0B31C09C055A132798EF5226" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2B0920A723065D306DE6132798EA4788" xlink:to="loc_us-gaap_OperatingIncomeLoss_E19BCD0A0B31C09C055A132798EF5226" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestIncomeExpenseNet" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_40AAC27B9E5DD2BEAF2F132798EF2CF4" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2B0920A723065D306DE6132798EA4788" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_40AAC27B9E5DD2BEAF2F132798EF2CF4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_53C62E5A3F1A0A2B7A0E132798EF093B" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2B0920A723065D306DE6132798EA4788" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_53C62E5A3F1A0A2B7A0E132798EF093B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_7A95728B09E28B6AACDF132798F0DFA5" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2B0920A723065D306DE6132798EA4788" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_7A95728B09E28B6AACDF132798F0DFA5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_7F59C4FCB08B4FC4629F132798F027CC" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2B0920A723065D306DE6132798EA4788" xlink:to="loc_us-gaap_NetIncomeLoss_7F59C4FCB08B4FC4629F132798F027CC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_EB2DB187FC90930F07CD132798F05F23" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2B0920A723065D306DE6132798EA4788" xlink:to="loc_us-gaap_EarningsPerShareBasic_EB2DB187FC90930F07CD132798F05F23" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_7C206CC32184C8AB1E59132798F0F57E" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2B0920A723065D306DE6132798EA4788" xlink:to="loc_us-gaap_EarningsPerShareDiluted_7C206CC32184C8AB1E59132798F0F57E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_C0204EA163321D46DC7D132798F1E88E" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2B0920A723065D306DE6132798EA4788" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_C0204EA163321D46DC7D132798F1E88E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_F02DE2A8CA35EA2369D2132798F1F371" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2B0920A723065D306DE6132798EA4788" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_F02DE2A8CA35EA2369D2132798F1F371" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/DeferredCompensation" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/DeferredCompensationAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_B7E16AC724C25AB3A07657457BD606BF" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable" xlink:label="loc_us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable_BB6C43D3D714ACD2772257457BD3B5F3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_B7E16AC724C25AB3A07657457BD606BF" xlink:to="loc_us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable_BB6C43D3D714ACD2772257457BD3B5F3" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis_EAE0509C1AFA953D013A57457BD423E4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable_BB6C43D3D714ACD2772257457BD3B5F3" xlink:to="loc_us-gaap_FinancialInstrumentAxis_EAE0509C1AFA953D013A57457BD423E4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_D554A9B976FE8212E97957457BD5106E_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_EAE0509C1AFA953D013A57457BD423E4" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_D554A9B976FE8212E97957457BD5106E_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_D554A9B976FE8212E97957457BD5106E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_EAE0509C1AFA953D013A57457BD423E4" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_D554A9B976FE8212E97957457BD5106E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_MutualFundMember" xlink:label="loc_us-gaap_MutualFundMember_8AC0C5D8516EE6F94B4F57457BD54233" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_D554A9B976FE8212E97957457BD5106E" xlink:to="loc_us-gaap_MutualFundMember_8AC0C5D8516EE6F94B4F57457BD54233" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAxis" xlink:label="loc_adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAxis_A3C9EF864AAF274007ED57457BD5FD82" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable_BB6C43D3D714ACD2772257457BD3B5F3" xlink:to="loc_adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAxis_A3C9EF864AAF274007ED57457BD5FD82" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDomain" xlink:label="loc_adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDomain_016F4EC5DE56E47F79B257457BD631C7_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAxis_A3C9EF864AAF274007ED57457BD5FD82" xlink:to="loc_adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDomain_016F4EC5DE56E47F79B257457BD631C7_default" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDomain" xlink:label="loc_adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDomain_016F4EC5DE56E47F79B257457BD631C7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAxis_A3C9EF864AAF274007ED57457BD5FD82" xlink:to="loc_adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDomain_016F4EC5DE56E47F79B257457BD631C7" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_RabbiTrustMember" xlink:label="loc_adsk_RabbiTrustMember_A9BEA82F38E3690BC1C757457BD665A2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDomain_016F4EC5DE56E47F79B257457BD631C7" xlink:to="loc_adsk_RabbiTrustMember_A9BEA82F38E3690BC1C757457BD665A2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_MarketableSecurities" xlink:label="loc_us-gaap_MarketableSecurities_0557FDF2413397E4ABA257457BD71032" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_B7E16AC724C25AB3A07657457BD606BF" xlink:to="loc_us-gaap_MarketableSecurities_0557FDF2413397E4ABA257457BD71032" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TradingSecuritiesDebt" xlink:label="loc_us-gaap_TradingSecuritiesDebt_D7F0780C74859EF0FDD857457BD7D8A7" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_B7E16AC724C25AB3A07657457BD606BF" xlink:to="loc_us-gaap_TradingSecuritiesDebt_D7F0780C74859EF0FDD857457BD7D8A7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent" xlink:label="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_E2C371C3711E11C92A6C57457BD721A7" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_B7E16AC724C25AB3A07657457BD606BF" xlink:to="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_E2C371C3711E11C92A6C57457BD721A7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredCompensationLiabilityCurrent" xlink:label="loc_us-gaap_DeferredCompensationLiabilityCurrent_59EB56CF1268B6E3FB5757457BD7EC4C" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_B7E16AC724C25AB3A07657457BD606BF" xlink:to="loc_us-gaap_DeferredCompensationLiabilityCurrent_59EB56CF1268B6E3FB5757457BD7EC4C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent" xlink:label="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_662800A438EF33228F1157457BD71EE2" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_B7E16AC724C25AB3A07657457BD606BF" xlink:to="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_662800A438EF33228F1157457BD71EE2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalizedContractCostNet" xlink:label="loc_us-gaap_CapitalizedContractCostNet_D428625078CF5645461957457BD725A5" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_B7E16AC724C25AB3A07657457BD606BF" xlink:to="loc_us-gaap_CapitalizedContractCostNet_D428625078CF5645461957457BD725A5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalizedContractCostAmortization" xlink:label="loc_us-gaap_CapitalizedContractCostAmortization_3EF4E1BC3AFE37C1EC5857457BD8E16B" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_B7E16AC724C25AB3A07657457BD606BF" xlink:to="loc_us-gaap_CapitalizedContractCostAmortization_3EF4E1BC3AFE37C1EC5857457BD8E16B" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/DocumentAndEntityInformation" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/FinancialInstruments" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/FinancialInstrumentsContractualMaturitiesOfTypesOfSecuritiesDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/FinancialInstrumentsCostAndFairValueOfFinancialInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5E78EF6C6CAE6CA61ACF51D96B2E239C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_C903B08A7AB2B41C6DAC51D96B296048" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5E78EF6C6CAE6CA61ACF51D96B2E239C" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_C903B08A7AB2B41C6DAC51D96B296048" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis_7063A5A935EF6ABE743751D96B29A95F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_C903B08A7AB2B41C6DAC51D96B296048" xlink:to="loc_us-gaap_FinancialInstrumentAxis_7063A5A935EF6ABE743751D96B29A95F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_778819E5D31106B6E09E51D96B29498B_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_7063A5A935EF6ABE743751D96B29A95F" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_778819E5D31106B6E09E51D96B29498B_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_778819E5D31106B6E09E51D96B29498B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_7063A5A935EF6ABE743751D96B29A95F" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_778819E5D31106B6E09E51D96B29498B" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_AgencyBondsMember" xlink:label="loc_adsk_AgencyBondsMember_927D230DA646CE79DCFB51D96B2AC6C2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_778819E5D31106B6E09E51D96B29498B" xlink:to="loc_adsk_AgencyBondsMember_927D230DA646CE79DCFB51D96B2AC6C2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetBackedSecuritiesMember" xlink:label="loc_us-gaap_AssetBackedSecuritiesMember_FA7F804D8C2EC4D2C49D51D96B2A64C9" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_778819E5D31106B6E09E51D96B29498B" xlink:to="loc_us-gaap_AssetBackedSecuritiesMember_FA7F804D8C2EC4D2C49D51D96B2A64C9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CertificatesOfDepositMember" xlink:label="loc_us-gaap_CertificatesOfDepositMember_8F1F5626BD900438E95351D96B2A9E78" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_778819E5D31106B6E09E51D96B29498B" xlink:to="loc_us-gaap_CertificatesOfDepositMember_8F1F5626BD900438E95351D96B2A9E78" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommercialPaperMember" xlink:label="loc_us-gaap_CommercialPaperMember_E1FAEF2F84019CCC32B651D96B2A5D02" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_778819E5D31106B6E09E51D96B29498B" xlink:to="loc_us-gaap_CommercialPaperMember_E1FAEF2F84019CCC32B651D96B2A5D02" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_679E5DD77E4C5C98CB7451D96B2BA04A" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_778819E5D31106B6E09E51D96B29498B" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_679E5DD77E4C5C98CB7451D96B2BA04A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DepositsMember" xlink:label="loc_us-gaap_DepositsMember_E97F618045618CD24F9251D96B2B0CEF" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_778819E5D31106B6E09E51D96B29498B" xlink:to="loc_us-gaap_DepositsMember_E97F618045618CD24F9251D96B2B0CEF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_MunicipalBondsMember" xlink:label="loc_us-gaap_MunicipalBondsMember_F81690F77F149EA4819651D96B2B2805" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_778819E5D31106B6E09E51D96B29498B" xlink:to="loc_us-gaap_MunicipalBondsMember_F81690F77F149EA4819651D96B2B2805" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_MoneyMarketFundsMember" xlink:label="loc_us-gaap_MoneyMarketFundsMember_42A1402A89E5F10D8EAC51D96B2BDD76" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_778819E5D31106B6E09E51D96B29498B" xlink:to="loc_us-gaap_MoneyMarketFundsMember_42A1402A89E5F10D8EAC51D96B2BDD76" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SovereignDebtMember" xlink:label="loc_us-gaap_SovereignDebtMember_6F33A976AF59311F26DE51D96B2BC5A5" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_778819E5D31106B6E09E51D96B29498B" xlink:to="loc_us-gaap_SovereignDebtMember_6F33A976AF59311F26DE51D96B2BC5A5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_USGovernmentDebtSecuritiesMember" xlink:label="loc_us-gaap_USGovernmentDebtSecuritiesMember_B50871FC38C06527DFD351D96B2B0A3D" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_778819E5D31106B6E09E51D96B29498B" xlink:to="loc_us-gaap_USGovernmentDebtSecuritiesMember_B50871FC38C06527DFD351D96B2B0A3D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherInvestmentsMember" xlink:label="loc_us-gaap_OtherInvestmentsMember_6D4963877BB08D47616751D96B2CE106" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_778819E5D31106B6E09E51D96B29498B" xlink:to="loc_us-gaap_OtherInvestmentsMember_6D4963877BB08D47616751D96B2CE106" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_MutualFundMember" xlink:label="loc_us-gaap_MutualFundMember_92B451D12ADADE03392351D96B2CFB2F" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_778819E5D31106B6E09E51D96B29498B" xlink:to="loc_us-gaap_MutualFundMember_92B451D12ADADE03392351D96B2CFB2F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_5DC2F4AC342C694A9DBC51D96B2C6469" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_C903B08A7AB2B41C6DAC51D96B296048" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_5DC2F4AC342C694A9DBC51D96B2C6469" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_ABEA9E196E502431F99D51D96B2CCB4A_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_5DC2F4AC342C694A9DBC51D96B2C6469" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_ABEA9E196E502431F99D51D96B2CCB4A_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_ABEA9E196E502431F99D51D96B2CCB4A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_5DC2F4AC342C694A9DBC51D96B2C6469" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_ABEA9E196E502431F99D51D96B2CCB4A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_3D03131B39A8AF2B081B51D96B2DBD14" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_ABEA9E196E502431F99D51D96B2CCB4A" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_3D03131B39A8AF2B081B51D96B2DBD14" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_C2C457D0F0702BAC93F351D96B2D2F50" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_ABEA9E196E502431F99D51D96B2CCB4A" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_C2C457D0F0702BAC93F351D96B2D2F50" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_CF9CB4F8FFF0FFA0D97451D96B2DAF96" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_ABEA9E196E502431F99D51D96B2CCB4A" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_CF9CB4F8FFF0FFA0D97451D96B2DAF96" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_C088F97508918A5F7D3C51D96B2DC18B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_C903B08A7AB2B41C6DAC51D96B296048" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_C088F97508918A5F7D3C51D96B2DC18B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_6838D3BDD389BB6EA1E651D96B2D6451_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_C088F97508918A5F7D3C51D96B2DC18B" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_6838D3BDD389BB6EA1E651D96B2D6451_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_6838D3BDD389BB6EA1E651D96B2D6451" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_C088F97508918A5F7D3C51D96B2DC18B" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_6838D3BDD389BB6EA1E651D96B2D6451" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_MarketableSecuritiesCurrentMember" xlink:label="loc_adsk_MarketableSecuritiesCurrentMember_E066CE0C3A44FEB10AA551D96B2EB4CA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_6838D3BDD389BB6EA1E651D96B2D6451" xlink:to="loc_adsk_MarketableSecuritiesCurrentMember_E066CE0C3A44FEB10AA551D96B2EB4CA" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_MarketableSecuritiesNoncurrentMember" xlink:label="loc_adsk_MarketableSecuritiesNoncurrentMember_E1B223CB7B3DDAB8A5B651D96B2ECBB7" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_6838D3BDD389BB6EA1E651D96B2D6451" xlink:to="loc_adsk_MarketableSecuritiesNoncurrentMember_E1B223CB7B3DDAB8A5B651D96B2ECBB7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsMember" xlink:label="loc_us-gaap_OtherAssetsMember_D2C0227E7BB0E77918FD51D96B2E7C73" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_6838D3BDD389BB6EA1E651D96B2D6451" xlink:to="loc_us-gaap_OtherAssetsMember_D2C0227E7BB0E77918FD51D96B2E7C73" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsAbstract" xlink:label="loc_us-gaap_CashAndCashEquivalentsAbstract_AFA39BF0B940AEEBEF4551D96B2FF3AA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5E78EF6C6CAE6CA61ACF51D96B2E239C" xlink:to="loc_us-gaap_CashAndCashEquivalentsAbstract_AFA39BF0B940AEEBEF4551D96B2FF3AA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_DD1451C679A76447749751D96B2FFEFD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashAndCashEquivalentsAbstract_AFA39BF0B940AEEBEF4551D96B2FF3AA" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_DD1451C679A76447749751D96B2FFEFD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_F7127CB618F6AF65DF5151D96B2F7440" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashAndCashEquivalentsAbstract_AFA39BF0B940AEEBEF4551D96B2FF3AA" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_F7127CB618F6AF65DF5151D96B2F7440" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_MarketableSecuritiesAbstract" xlink:label="loc_us-gaap_MarketableSecuritiesAbstract_C8959361B40CCA9D3AA151D96B30AEC9" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5E78EF6C6CAE6CA61ACF51D96B2E239C" xlink:to="loc_us-gaap_MarketableSecuritiesAbstract_C8959361B40CCA9D3AA151D96B30AEC9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_3CAE0E182448A3AE574851D96B305B9E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MarketableSecuritiesAbstract_C8959361B40CCA9D3AA151D96B30AEC9" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_3CAE0E182448A3AE574851D96B305B9E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_E3465C0944C6378CD93E51D96B307BC3" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MarketableSecuritiesAbstract_C8959361B40CCA9D3AA151D96B30AEC9" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_E3465C0944C6378CD93E51D96B307BC3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_1234B3F0B12307D777F951D96B30BD22" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MarketableSecuritiesAbstract_C8959361B40CCA9D3AA151D96B30AEC9" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_1234B3F0B12307D777F951D96B30BD22" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_5640267C0008F6A3B67C51D96B3180F0" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MarketableSecuritiesAbstract_C8959361B40CCA9D3AA151D96B30AEC9" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_5640267C0008F6A3B67C51D96B3180F0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtSecuritiesTradingAndAvailableForSaleAbstract" xlink:label="loc_us-gaap_DebtSecuritiesTradingAndAvailableForSaleAbstract_6CA6E80AB8D583E0D21351D96B314DC3" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MarketableSecuritiesAbstract_C8959361B40CCA9D3AA151D96B30AEC9" xlink:to="loc_us-gaap_DebtSecuritiesTradingAndAvailableForSaleAbstract_6CA6E80AB8D583E0D21351D96B314DC3" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_DebtSecuritiesTradingAmortizedCost" xlink:label="loc_adsk_DebtSecuritiesTradingAmortizedCost_9138E79B0C1A469F5EA951D96B31A764" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtSecuritiesTradingAndAvailableForSaleAbstract_6CA6E80AB8D583E0D21351D96B314DC3" xlink:to="loc_adsk_DebtSecuritiesTradingAmortizedCost_9138E79B0C1A469F5EA951D96B31A764" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_TradingSecuritiesAccumulatedGrossUnrealizedGainbeforeTax" xlink:label="loc_adsk_TradingSecuritiesAccumulatedGrossUnrealizedGainbeforeTax_A926E246A8965E6400BD51D96B311E22" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtSecuritiesTradingAndAvailableForSaleAbstract_6CA6E80AB8D583E0D21351D96B314DC3" xlink:to="loc_adsk_TradingSecuritiesAccumulatedGrossUnrealizedGainbeforeTax_A926E246A8965E6400BD51D96B311E22" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_TradingSecuritiesAccumulatedGrossUnrealizedLossbeforeTax" xlink:label="loc_adsk_TradingSecuritiesAccumulatedGrossUnrealizedLossbeforeTax_F24A3B9CFE43928D382551D96B31A195" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtSecuritiesTradingAndAvailableForSaleAbstract_6CA6E80AB8D583E0D21351D96B314DC3" xlink:to="loc_adsk_TradingSecuritiesAccumulatedGrossUnrealizedLossbeforeTax_F24A3B9CFE43928D382551D96B31A195" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TradingSecuritiesDebt" xlink:label="loc_us-gaap_TradingSecuritiesDebt_E99111D8C454BEE907F351D96B32E1DB" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtSecuritiesTradingAndAvailableForSaleAbstract_6CA6E80AB8D583E0D21351D96B314DC3" xlink:to="loc_us-gaap_TradingSecuritiesDebt_E99111D8C454BEE907F351D96B32E1DB" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_ConvertibleDebtSecuritiesAmortizedCost" xlink:label="loc_adsk_ConvertibleDebtSecuritiesAmortizedCost_F82DB8668A2FE883F28C51D96B32BAA2" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5E78EF6C6CAE6CA61ACF51D96B2E239C" xlink:to="loc_adsk_ConvertibleDebtSecuritiesAmortizedCost_F82DB8668A2FE883F28C51D96B32BAA2" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_ConvertibleDebtSecuritiesUnrealizedGains" xlink:label="loc_adsk_ConvertibleDebtSecuritiesUnrealizedGains_17316E7B18DA4A3688B851D96B325E56" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5E78EF6C6CAE6CA61ACF51D96B2E239C" xlink:to="loc_adsk_ConvertibleDebtSecuritiesUnrealizedGains_17316E7B18DA4A3688B851D96B325E56" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_ConvertibleDebtSecuritiesUnrealizedLosses" xlink:label="loc_adsk_ConvertibleDebtSecuritiesUnrealizedLosses_3DFDE52414CC5FFEB3F651D96B32119D" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5E78EF6C6CAE6CA61ACF51D96B2E239C" xlink:to="loc_adsk_ConvertibleDebtSecuritiesUnrealizedLosses_3DFDE52414CC5FFEB3F651D96B32119D" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_ConvertibleDebtSecuritiesFairValueDisclosure" xlink:label="loc_adsk_ConvertibleDebtSecuritiesFairValueDisclosure_0F1BE3E009769C9131AA51D96B32C914" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5E78EF6C6CAE6CA61ACF51D96B2E239C" xlink:to="loc_adsk_ConvertibleDebtSecuritiesFairValueDisclosure_0F1BE3E009769C9131AA51D96B32C914" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_E0B26C83ED4DDEC5F17451D96B327CEC" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5E78EF6C6CAE6CA61ACF51D96B2E239C" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_E0B26C83ED4DDEC5F17451D96B327CEC" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_DerivativeAssetsAccumulatedGrossUnrealizedGainbeforeTax" xlink:label="loc_adsk_DerivativeAssetsAccumulatedGrossUnrealizedGainbeforeTax_04A0E0D661A26EBBB04C51D96B33F101" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5E78EF6C6CAE6CA61ACF51D96B2E239C" xlink:to="loc_adsk_DerivativeAssetsAccumulatedGrossUnrealizedGainbeforeTax_04A0E0D661A26EBBB04C51D96B33F101" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_DerivativeAssetsAccumulatedGrossUnrealizedLossbeforeTax" xlink:label="loc_adsk_DerivativeAssetsAccumulatedGrossUnrealizedLossbeforeTax_412737ABE9E7A6A3F4B651D96B336F1E" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5E78EF6C6CAE6CA61ACF51D96B2E239C" xlink:to="loc_adsk_DerivativeAssetsAccumulatedGrossUnrealizedLossbeforeTax_412737ABE9E7A6A3F4B651D96B336F1E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeAssets" xlink:label="loc_us-gaap_DerivativeAssets_3BEAF906FF28D56E099451D96B339165" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5E78EF6C6CAE6CA61ACF51D96B2E239C" xlink:to="loc_us-gaap_DerivativeAssets_3BEAF906FF28D56E099451D96B339165" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_D2930ECC8A06B987ACDF51D96B335497" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5E78EF6C6CAE6CA61ACF51D96B2E239C" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_D2930ECC8A06B987ACDF51D96B335497" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_DerivativeLiabilitiesAccumulatedGrossUnrealizedGainbeforeTax" xlink:label="loc_adsk_DerivativeLiabilitiesAccumulatedGrossUnrealizedGainbeforeTax_9570AE79673320B5BAF851D96B33E5E3" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5E78EF6C6CAE6CA61ACF51D96B2E239C" xlink:to="loc_adsk_DerivativeLiabilitiesAccumulatedGrossUnrealizedGainbeforeTax_9570AE79673320B5BAF851D96B33E5E3" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_DerivativeLiabilitiesAccumulatedGrossUnrealizedLossbeforeTax" xlink:label="loc_adsk_DerivativeLiabilitiesAccumulatedGrossUnrealizedLossbeforeTax_103DE7B203675BA6088051D96B33C79D" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5E78EF6C6CAE6CA61ACF51D96B2E239C" xlink:to="loc_adsk_DerivativeLiabilitiesAccumulatedGrossUnrealizedLossbeforeTax_103DE7B203675BA6088051D96B33C79D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeLiabilities" xlink:label="loc_us-gaap_DerivativeLiabilities_F4890CC9D72C9926927351D96B34C706" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5E78EF6C6CAE6CA61ACF51D96B2E239C" xlink:to="loc_us-gaap_DerivativeLiabilities_F4890CC9D72C9926927351D96B34C706" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_AmortizedCostSecurities" xlink:label="loc_adsk_AmortizedCostSecurities_EA3F666A21D8027990BC51D96B349E97" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5E78EF6C6CAE6CA61ACF51D96B2E239C" xlink:to="loc_adsk_AmortizedCostSecurities_EA3F666A21D8027990BC51D96B349E97" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_InvestmentsAccumulatedGrossUnrealizedGainbeforeTax" xlink:label="loc_adsk_InvestmentsAccumulatedGrossUnrealizedGainbeforeTax_051D23532019CCB7BBFB51D96B34D3D0" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5E78EF6C6CAE6CA61ACF51D96B2E239C" xlink:to="loc_adsk_InvestmentsAccumulatedGrossUnrealizedGainbeforeTax_051D23532019CCB7BBFB51D96B34D3D0" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_InvestmentsAccumulatedGrossUnrealizedLossbeforeTax" xlink:label="loc_adsk_InvestmentsAccumulatedGrossUnrealizedLossbeforeTax_4C68146BBA264019593051D96B347FCA" xlink:type="locator" />
    <link:definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5E78EF6C6CAE6CA61ACF51D96B2E239C" xlink:to="loc_adsk_InvestmentsAccumulatedGrossUnrealizedLossbeforeTax_4C68146BBA264019593051D96B347FCA" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_FairValueAssetsMeasuredOnRecurringBasis" xlink:label="loc_adsk_FairValueAssetsMeasuredOnRecurringBasis_537BDD7FFE2D137ACC6551D96B34B1F6" xlink:type="locator" />
    <link:definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5E78EF6C6CAE6CA61ACF51D96B2E239C" xlink:to="loc_adsk_FairValueAssetsMeasuredOnRecurringBasis_537BDD7FFE2D137ACC6551D96B34B1F6" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/FinancialInstrumentsEffectsOfDerivativeInstrumentsOnCondensedConsolidatedStatementsOfOperationsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_FFDF3FEC27A25CBA27C01327955A7928" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_AF6B1844AFE4D46CFBBA13279550C049" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_FFDF3FEC27A25CBA27C01327955A7928" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_AF6B1844AFE4D46CFBBA13279550C049" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_FC739B607EAE8DCEF4DD13279551A051" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_AF6B1844AFE4D46CFBBA13279550C049" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_FC739B607EAE8DCEF4DD13279551A051" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_5848358DB06786D1B36513279551181E_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_FC739B607EAE8DCEF4DD13279551A051" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_5848358DB06786D1B36513279551181E_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_5848358DB06786D1B36513279551181E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_FC739B607EAE8DCEF4DD13279551A051" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_5848358DB06786D1B36513279551181E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_353DA4439DA456C0218813279552CB95" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_5848358DB06786D1B36513279551181E" xlink:to="loc_us-gaap_ForeignExchangeContractMember_353DA4439DA456C0218813279552CB95" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_DF5023C60931758D279213279552EFEB" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_AF6B1844AFE4D46CFBBA13279550C049" xlink:to="loc_us-gaap_HedgingDesignationAxis_DF5023C60931758D279213279552EFEB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_55EA84D53694EC421C1013279553D2F7_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_DF5023C60931758D279213279552EFEB" xlink:to="loc_us-gaap_HedgingDesignationDomain_55EA84D53694EC421C1013279553D2F7_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_55EA84D53694EC421C1013279553D2F7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_DF5023C60931758D279213279552EFEB" xlink:to="loc_us-gaap_HedgingDesignationDomain_55EA84D53694EC421C1013279553D2F7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_CF771129FCEBCDFDD0F413279554B47F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_55EA84D53694EC421C1013279553D2F7" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_CF771129FCEBCDFDD0F413279554B47F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_69DF7CBDC6E5972D167F13279554E5EE" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_55EA84D53694EC421C1013279553D2F7" xlink:to="loc_us-gaap_NondesignatedMember_69DF7CBDC6E5972D167F13279554E5EE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_3E78B3E992887F36AA9A132795556990" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_AF6B1844AFE4D46CFBBA13279550C049" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_3E78B3E992887F36AA9A132795556990" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_72E94C0C8FFBEF079E381327955729A7_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_3E78B3E992887F36AA9A132795556990" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_72E94C0C8FFBEF079E381327955729A7_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_72E94C0C8FFBEF079E381327955729A7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_3E78B3E992887F36AA9A132795556990" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_72E94C0C8FFBEF079E381327955729A7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SalesMember" xlink:label="loc_us-gaap_SalesMember_34C3D0B1E20CB7F0EF3D1327955827DD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_72E94C0C8FFBEF079E381327955729A7" xlink:to="loc_us-gaap_SalesMember_34C3D0B1E20CB7F0EF3D1327955827DD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingExpenseMember" xlink:label="loc_us-gaap_OperatingExpenseMember_0F733D4086F63E8E7CC7132795599A69" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_72E94C0C8FFBEF079E381327955729A7" xlink:to="loc_us-gaap_OperatingExpenseMember_0F733D4086F63E8E7CC7132795599A69" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_InterestAndOtherIncomeExpenseNetMember" xlink:label="loc_adsk_InterestAndOtherIncomeExpenseNetMember_610EE085614AF4CCEB1C1327955AFF1D" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_72E94C0C8FFBEF079E381327955729A7" xlink:to="loc_adsk_InterestAndOtherIncomeExpenseNetMember_610EE085614AF4CCEB1C1327955AFF1D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_686A939EA8F3A7ED578A1327955B9A03" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_FFDF3FEC27A25CBA27C01327955A7928" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_686A939EA8F3A7ED578A1327955B9A03" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_03856E02CB0ECECC81F51327955B9688" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_FFDF3FEC27A25CBA27C01327955A7928" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_03856E02CB0ECECC81F51327955B9688" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet_2725D296EB2B183519091327955C9FEE" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_FFDF3FEC27A25CBA27C01327955A7928" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet_2725D296EB2B183519091327955C9FEE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeGainLossOnDerivativeNet" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet_DFBBB3F07D492439CF791327955C4EFF" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_FFDF3FEC27A25CBA27C01327955A7928" xlink:to="loc_us-gaap_DerivativeGainLossOnDerivativeNet_DFBBB3F07D492439CF791327955C4EFF" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/FinancialInstrumentsFairValueOfDerivativeInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_0B8326150189AA07D17C2D8303CE3CE7" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_AEA04EF6BE7BD52B93C62D8303C874D8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_0B8326150189AA07D17C2D8303CE3CE7" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_AEA04EF6BE7BD52B93C62D8303C874D8" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_E5A3DB89EB369511F98B2D8303C88333" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_AEA04EF6BE7BD52B93C62D8303C874D8" xlink:to="loc_srt_RangeAxis_E5A3DB89EB369511F98B2D8303C88333" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_766CF0CABCCB5ED1D5322D8303C9D68C_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_E5A3DB89EB369511F98B2D8303C88333" xlink:to="loc_srt_RangeMember_766CF0CABCCB5ED1D5322D8303C9D68C_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_766CF0CABCCB5ED1D5322D8303C9D68C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_E5A3DB89EB369511F98B2D8303C88333" xlink:to="loc_srt_RangeMember_766CF0CABCCB5ED1D5322D8303C9D68C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember_C00084C1DC675132590E2D8303C96DD0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_766CF0CABCCB5ED1D5322D8303C9D68C" xlink:to="loc_srt_MinimumMember_C00084C1DC675132590E2D8303C96DD0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember_44F2AF942742F24ABCF32D8303C9BB65" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_766CF0CABCCB5ED1D5322D8303C9D68C" xlink:to="loc_srt_MaximumMember_44F2AF942742F24ABCF32D8303C9BB65" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_807D52E72E35C03F8BAD2D8303CA0ACA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_AEA04EF6BE7BD52B93C62D8303C874D8" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_807D52E72E35C03F8BAD2D8303CA0ACA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_C355F061C0BE9196DEB82D8303CA2E6C_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_807D52E72E35C03F8BAD2D8303CA0ACA" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_C355F061C0BE9196DEB82D8303CA2E6C_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_C355F061C0BE9196DEB82D8303CA2E6C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_807D52E72E35C03F8BAD2D8303CA0ACA" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_C355F061C0BE9196DEB82D8303CA2E6C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_BDD34ED253102B2F6C162D8303CBB05F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_C355F061C0BE9196DEB82D8303CA2E6C" xlink:to="loc_us-gaap_ForeignExchangeContractMember_BDD34ED253102B2F6C162D8303CBB05F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_2860B8674C74A0D587C62D8303CBFD4F" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_AEA04EF6BE7BD52B93C62D8303C874D8" xlink:to="loc_us-gaap_HedgingDesignationAxis_2860B8674C74A0D587C62D8303CBFD4F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_AC73B36D8F8A0FB5B9BF2D8303CB125E_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_2860B8674C74A0D587C62D8303CBFD4F" xlink:to="loc_us-gaap_HedgingDesignationDomain_AC73B36D8F8A0FB5B9BF2D8303CB125E_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_AC73B36D8F8A0FB5B9BF2D8303CB125E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_2860B8674C74A0D587C62D8303CBFD4F" xlink:to="loc_us-gaap_HedgingDesignationDomain_AC73B36D8F8A0FB5B9BF2D8303CB125E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_D01B049E0AF46628E1282D8303CCFC13" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_AC73B36D8F8A0FB5B9BF2D8303CB125E" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_D01B049E0AF46628E1282D8303CCFC13" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_C2EDB07F24D723AB05462D8303CC9DC3" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_AC73B36D8F8A0FB5B9BF2D8303CB125E" xlink:to="loc_us-gaap_NondesignatedMember_C2EDB07F24D723AB05462D8303CC9DC3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_E8CADA94425BEB509A022D8303CC86D7" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_AEA04EF6BE7BD52B93C62D8303C874D8" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_E8CADA94425BEB509A022D8303CC86D7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_65E6D72B5EAB79EFFEAF2D8303CD40D4_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_E8CADA94425BEB509A022D8303CC86D7" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_65E6D72B5EAB79EFFEAF2D8303CD40D4_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_65E6D72B5EAB79EFFEAF2D8303CD40D4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_E8CADA94425BEB509A022D8303CC86D7" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_65E6D72B5EAB79EFFEAF2D8303CD40D4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember" xlink:label="loc_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_0393F8627AA084B79C8A2D8303CD5FF7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_65E6D72B5EAB79EFFEAF2D8303CD40D4" xlink:to="loc_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_0393F8627AA084B79C8A2D8303CD5FF7" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_OtherAccruedLiabilitiesMember" xlink:label="loc_adsk_OtherAccruedLiabilitiesMember_9101B609BF1EA180B6EE2D8303CD97DF" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_65E6D72B5EAB79EFFEAF2D8303CD40D4" xlink:to="loc_adsk_OtherAccruedLiabilitiesMember_9101B609BF1EA180B6EE2D8303CD97DF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeTermOfContract" xlink:label="loc_us-gaap_DerivativeTermOfContract_4D746919CD72A402B0E22D8303CEB243" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_0B8326150189AA07D17C2D8303CE3CE7" xlink:to="loc_us-gaap_DerivativeTermOfContract_4D746919CD72A402B0E22D8303CEB243" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount_9A5CDD0A62C8D283CBD82D8303CED0D8" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_0B8326150189AA07D17C2D8303CE3CE7" xlink:to="loc_invest_DerivativeNotionalAmount_9A5CDD0A62C8D283CBD82D8303CED0D8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet" xlink:label="loc_us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet_86830D17A8860A4910B12D8303CF8863" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_0B8326150189AA07D17C2D8303CE3CE7" xlink:to="loc_us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet_86830D17A8860A4910B12D8303CF8863" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral_25FC0A601310191487162D8303CF136D" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_0B8326150189AA07D17C2D8303CE3CE7" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral_25FC0A601310191487162D8303CF136D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_97A17D9839802AAC79712D8303D0D094" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_0B8326150189AA07D17C2D8303CE3CE7" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_97A17D9839802AAC79712D8303D0D094" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/FinancialInstrumentsNarrativeDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/FinancialInstrumentsReconciliationOfChangeInLevel3ItemsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_3EE04D42A8B09C4F4C357B6BEF3AFFC1" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_24271F79F76ADD89991B7B6BEF379249" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_3EE04D42A8B09C4F4C357B6BEF3AFFC1" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_24271F79F76ADD89991B7B6BEF379249" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_7A9EA514EF60BB5D6AD97B6BEF37B74C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_24271F79F76ADD89991B7B6BEF379249" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_7A9EA514EF60BB5D6AD97B6BEF37B74C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_322146BD664DDF8BA6607B6BEF38B7CD_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_7A9EA514EF60BB5D6AD97B6BEF37B74C" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_322146BD664DDF8BA6607B6BEF38B7CD_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_322146BD664DDF8BA6607B6BEF38B7CD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_7A9EA514EF60BB5D6AD97B6BEF37B74C" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_322146BD664DDF8BA6607B6BEF38B7CD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_F200793167CD747D5EC97B6BEF38B34B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_322146BD664DDF8BA6607B6BEF38B7CD" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_F200793167CD747D5EC97B6BEF38B34B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueByAssetClassAxis" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_A9CE8D722F6E5B4A51247B6BEF3859BF" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_24271F79F76ADD89991B7B6BEF379249" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_A9CE8D722F6E5B4A51247B6BEF3859BF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_F70F767496D2B2CEBE9C7B6BEF38F336_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_A9CE8D722F6E5B4A51247B6BEF3859BF" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_F70F767496D2B2CEBE9C7B6BEF38F336_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_F70F767496D2B2CEBE9C7B6BEF38F336" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_A9CE8D722F6E5B4A51247B6BEF3859BF" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_F70F767496D2B2CEBE9C7B6BEF38F336" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeMember" xlink:label="loc_us-gaap_DerivativeMember_4B0814A3D2A631E739F77B6BEF397DD9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_F70F767496D2B2CEBE9C7B6BEF38F336" xlink:to="loc_us-gaap_DerivativeMember_4B0814A3D2A631E739F77B6BEF397DD9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConvertibleDebtSecuritiesMember" xlink:label="loc_us-gaap_ConvertibleDebtSecuritiesMember_2940B8544A7DDF3556A07B6BEF395361" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_F70F767496D2B2CEBE9C7B6BEF38F336" xlink:to="loc_us-gaap_ConvertibleDebtSecuritiesMember_2940B8544A7DDF3556A07B6BEF395361" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_F12825AAC04F1F22EBBC7B6BEF3A13D1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_3EE04D42A8B09C4F4C357B6BEF3AFFC1" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_F12825AAC04F1F22EBBC7B6BEF3A13D1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_52B40DB9920F62D1694C7B6BEF3A049B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_F12825AAC04F1F22EBBC7B6BEF3A13D1" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_52B40DB9920F62D1694C7B6BEF3A049B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_8C4AFD330F3E2F1FFA527B6BEF3B30A9" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_F12825AAC04F1F22EBBC7B6BEF3A13D1" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_8C4AFD330F3E2F1FFA527B6BEF3B30A9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_793E9A4F180FAC6847497B6BEF3BDFDA" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_F12825AAC04F1F22EBBC7B6BEF3A13D1" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_793E9A4F180FAC6847497B6BEF3BDFDA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss_200B930F627B69D2A98A7B6BEF3B1C3F" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_F12825AAC04F1F22EBBC7B6BEF3A13D1" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss_200B930F627B69D2A98A7B6BEF3B1C3F" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/FinancialInstrumentsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/Goodwill" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/GoodwillChangesInCarryingAmountOfGoodwillDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/GoodwillTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/IncomeTax" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/IncomeTaxNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxContingencyLineItems" xlink:label="loc_us-gaap_IncomeTaxContingencyLineItems_C3410263C1A3028710EE2D412525F52E" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxContingencyTable" xlink:label="loc_us-gaap_IncomeTaxContingencyTable_454E72AC8594A1113A092D4125242444" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_C3410263C1A3028710EE2D412525F52E" xlink:to="loc_us-gaap_IncomeTaxContingencyTable_454E72AC8594A1113A092D4125242444" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_FA0FFD7606291B2E6FFF2D41252478BA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeTaxContingencyTable_454E72AC8594A1113A092D4125242444" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_FA0FFD7606291B2E6FFF2D41252478BA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDomain_1F6B873B43C278EBD2092D41252539A8_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_FA0FFD7606291B2E6FFF2D41252478BA" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDomain_1F6B873B43C278EBD2092D41252539A8_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDomain_1F6B873B43C278EBD2092D41252539A8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_FA0FFD7606291B2E6FFF2D41252478BA" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDomain_1F6B873B43C278EBD2092D41252539A8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember" xlink:label="loc_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_E57DECC92DC65044F2922D412525925B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_1F6B873B43C278EBD2092D41252539A8" xlink:to="loc_us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_E57DECC92DC65044F2922D412525925B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_FC92D88AEF841E1E24442D41252521B6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_C3410263C1A3028710EE2D412525F52E" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_FC92D88AEF841E1E24442D41252521B6" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/NetLossPerShare" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/NetLossPerShareDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_ECF910D9280788DEE7017A6CB0E1E0CB" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_30063F58B85F4FFFDC4F7A6CB0DE887B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_ECF910D9280788DEE7017A6CB0E1E0CB" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_30063F58B85F4FFFDC4F7A6CB0DE887B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_5F664FD8C13852434A8B7A6CB0E02AF7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_30063F58B85F4FFFDC4F7A6CB0DE887B" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_5F664FD8C13852434A8B7A6CB0E02AF7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_A865D46810798C6748C27A6CB0E02E47_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_5F664FD8C13852434A8B7A6CB0E02AF7" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_A865D46810798C6748C27A6CB0E02E47_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_A865D46810798C6748C27A6CB0E02E47" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_5F664FD8C13852434A8B7A6CB0E02AF7" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_A865D46810798C6748C27A6CB0E02E47" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_B4B29D76DB4A1D57D4DA7A6CB0E0514C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_A865D46810798C6748C27A6CB0E02E47" xlink:to="loc_us-gaap_TreasuryStockMember_B4B29D76DB4A1D57D4DA7A6CB0E0514C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_DAF2B045E998D044DE9D7A6CB0E13632" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_ECF910D9280788DEE7017A6CB0E1E0CB" xlink:to="loc_us-gaap_NetIncomeLoss_DAF2B045E998D044DE9D7A6CB0E13632" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_F57569C42B4E61516FBF7A6CB0E20654" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_ECF910D9280788DEE7017A6CB0E1E0CB" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_F57569C42B4E61516FBF7A6CB0E20654" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_65EA3BEF862EC02E81927A6CB0E903AD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_F57569C42B4E61516FBF7A6CB0E20654" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_65EA3BEF862EC02E81927A6CB0E903AD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_DE2942F0B4ED12AE98527A6CB0E9BFD3" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_F57569C42B4E61516FBF7A6CB0E20654" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_DE2942F0B4ED12AE98527A6CB0E9BFD3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_4029C9D9CB86B433B8A97A6CB0E96F0C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_F57569C42B4E61516FBF7A6CB0E20654" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_4029C9D9CB86B433B8A97A6CB0E96F0C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_2C29B83344ED969058037A6CB0E9C22A" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_ECF910D9280788DEE7017A6CB0E1E0CB" xlink:to="loc_us-gaap_EarningsPerShareBasic_2C29B83344ED969058037A6CB0E9C22A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_75953C58993936D031AF7A6CB0EAAE0B" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_ECF910D9280788DEE7017A6CB0E1E0CB" xlink:to="loc_us-gaap_EarningsPerShareDiluted_75953C58993936D031AF7A6CB0EAAE0B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_9C9521CE548CA76CD07D7A6CB0EADAF4" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_ECF910D9280788DEE7017A6CB0E1E0CB" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_9C9521CE548CA76CD07D7A6CB0EADAF4" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/NetLossPerShareTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/OtherIntangibleAssetsNet" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/OtherIntangibleAssetsNetDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_AA0C9A4DE1F05FA8AB99EF470B85DE38" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_CD100A4EE62B5CF1A034E987B425CE81" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_AA0C9A4DE1F05FA8AB99EF470B85DE38" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_CD100A4EE62B5CF1A034E987B425CE81" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_AABEF4CC8FB5521D99C1197C99D412EE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_CD100A4EE62B5CF1A034E987B425CE81" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_AABEF4CC8FB5521D99C1197C99D412EE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_4E494BC864997C332EB22338F19C91DB_A8F675A1DB235007973DA4F1CC5840CC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_AABEF4CC8FB5521D99C1197C99D412EE" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_4E494BC864997C332EB22338F19C91DB_A8F675A1DB235007973DA4F1CC5840CC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_DFE7FA9371F75898AB14D09A79AF26C9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_AABEF4CC8FB5521D99C1197C99D412EE" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_DFE7FA9371F75898AB14D09A79AF26C9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_933055968B185C47ACECE25DAE43CEF9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_DFE7FA9371F75898AB14D09A79AF26C9" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_933055968B185C47ACECE25DAE43CEF9" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_CustomerRelationshipsTradeNamesPatentsandUserListMember" xlink:label="loc_adsk_CustomerRelationshipsTradeNamesPatentsandUserListMember_8F7E27C1F90A553A8D2D0BB544861738" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_DFE7FA9371F75898AB14D09A79AF26C9" xlink:to="loc_adsk_CustomerRelationshipsTradeNamesPatentsandUserListMember_8F7E27C1F90A553A8D2D0BB544861738" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_E344DAD776935C0B875E7EE244623E5F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_AA0C9A4DE1F05FA8AB99EF470B85DE38" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_E344DAD776935C0B875E7EE244623E5F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_6D7F1C3E752A530BA7A26030425DDE09" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_AA0C9A4DE1F05FA8AB99EF470B85DE38" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_6D7F1C3E752A530BA7A26030425DDE09" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_C3F9E08D394F5A76BA0A73B6D1E986AF" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_AA0C9A4DE1F05FA8AB99EF470B85DE38" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_C3F9E08D394F5A76BA0A73B6D1E986AF" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/OtherIntangibleAssetsNetTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/RecentlyIssuedAccountingStandards" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/RecentlyIssuedAccountingStandardsAdoptionOfNewAccountingStandardBalanceSheetDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems" xlink:label="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_655E77A168DA1D51BB5A50E13CAC6CA4" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable" xlink:label="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_2000FE50CC0C44E7F64750E13CAAB4DE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_655E77A168DA1D51BB5A50E13CAC6CA4" xlink:to="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_2000FE50CC0C44E7F64750E13CAAB4DE" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis" xlink:label="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis_D53B75D94C5BAE4E4B0A50E13CAA0FAB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_2000FE50CC0C44E7F64750E13CAAB4DE" xlink:to="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis_D53B75D94C5BAE4E4B0A50E13CAA0FAB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain" xlink:label="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_8A168BAD39D9643AAB9D50E13CAAF3DC_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis_D53B75D94C5BAE4E4B0A50E13CAA0FAB" xlink:to="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_8A168BAD39D9643AAB9D50E13CAAF3DC_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain" xlink:label="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_8A168BAD39D9643AAB9D50E13CAAF3DC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis_D53B75D94C5BAE4E4B0A50E13CAA0FAB" xlink:to="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_8A168BAD39D9643AAB9D50E13CAAF3DC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member" xlink:label="loc_us-gaap_DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member_1667B25581C7720CC47450E13CAB3ABB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_8A168BAD39D9643AAB9D50E13CAAF3DC" xlink:to="loc_us-gaap_DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member_1667B25581C7720CC47450E13CAB3ABB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CalculatedUnderRevenueGuidanceInEffectBeforeTopic606Member" xlink:label="loc_us-gaap_CalculatedUnderRevenueGuidanceInEffectBeforeTopic606Member_87FDDCC1BC8B0958C9DB50E13CAB67AF" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_8A168BAD39D9643AAB9D50E13CAAF3DC" xlink:to="loc_us-gaap_CalculatedUnderRevenueGuidanceInEffectBeforeTopic606Member_87FDDCC1BC8B0958C9DB50E13CAB67AF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:label="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_ABE93536F3C499DAE1B850E13CAB7F21" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_2000FE50CC0C44E7F64750E13CAAB4DE" xlink:to="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_ABE93536F3C499DAE1B850E13CAB7F21" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="loc_us-gaap_TypeOfAdoptionMember_BD1A19D8A1F41A60B60450E13CAB6E11_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_ABE93536F3C499DAE1B850E13CAB7F21" xlink:to="loc_us-gaap_TypeOfAdoptionMember_BD1A19D8A1F41A60B60450E13CAB6E11_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="loc_us-gaap_TypeOfAdoptionMember_BD1A19D8A1F41A60B60450E13CAB6E11" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_ABE93536F3C499DAE1B850E13CAB7F21" xlink:to="loc_us-gaap_TypeOfAdoptionMember_BD1A19D8A1F41A60B60450E13CAB6E11" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountingStandardsUpdate201409Member" xlink:label="loc_us-gaap_AccountingStandardsUpdate201409Member_F7E585F9897414BB740850E13CACFC17" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfAdoptionMember_BD1A19D8A1F41A60B60450E13CAB6E11" xlink:to="loc_us-gaap_AccountingStandardsUpdate201409Member_F7E585F9897414BB740850E13CACFC17" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_4A286215DB2DFD01CE0650E13CAC22F0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_655E77A168DA1D51BB5A50E13CAC6CA4" xlink:to="loc_us-gaap_AssetsAbstract_4A286215DB2DFD01CE0650E13CAC22F0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_34B33416EF3C87A0600250E13CACB3BE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_4A286215DB2DFD01CE0650E13CAC22F0" xlink:to="loc_us-gaap_AssetsCurrentAbstract_34B33416EF3C87A0600250E13CACB3BE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_DF050FC7DB1CAEC107F150E13CAD7522" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_34B33416EF3C87A0600250E13CACB3BE" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_DF050FC7DB1CAEC107F150E13CAD7522" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_036F2B36E92E8542A08050E13CAD3DB0" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_34B33416EF3C87A0600250E13CACB3BE" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_036F2B36E92E8542A08050E13CAD3DB0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredIncomeTaxAssetsNet" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_23279F8B970126897C3B50E13CADDE90" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_4A286215DB2DFD01CE0650E13CAC22F0" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_23279F8B970126897C3B50E13CADDE90" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_A12436B44F5EA568DCD650E13CAEA900" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_4A286215DB2DFD01CE0650E13CAC22F0" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_A12436B44F5EA568DCD650E13CAEA900" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8488205A24E81FD4E41450E13CAEEE0C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_655E77A168DA1D51BB5A50E13CAC6CA4" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8488205A24E81FD4E41450E13CAEEE0C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_4CA02F68446A53E043E550E13CAE0FBB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8488205A24E81FD4E41450E13CAEEE0C" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_4CA02F68446A53E043E550E13CAE0FBB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccruedIncomeTaxesCurrent" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_35D07A9B86F777837C8E50E13CB3C637" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_4CA02F68446A53E043E550E13CAE0FBB" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_35D07A9B86F777837C8E50E13CB3C637" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_484EB714D067872B6CCD50E13CB49316" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_4CA02F68446A53E043E550E13CAE0FBB" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_484EB714D067872B6CCD50E13CB49316" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_DE76E895C2E29AF8C04850E13CB41A26" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_4CA02F68446A53E043E550E13CAE0FBB" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_DE76E895C2E29AF8C04850E13CB41A26" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_D80F4EE1004756DF508650E13CB40B55" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8488205A24E81FD4E41450E13CAEEE0C" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_D80F4EE1004756DF508650E13CB40B55" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccruedIncomeTaxesNoncurrent" xlink:label="loc_us-gaap_AccruedIncomeTaxesNoncurrent_A9F613BE17180245656C50E13CB496A8" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8488205A24E81FD4E41450E13CAEEE0C" xlink:to="loc_us-gaap_AccruedIncomeTaxesNoncurrent_A9F613BE17180245656C50E13CB496A8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_3CC271AE10505C431ED250E13CB5F675" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8488205A24E81FD4E41450E13CAEEE0C" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_3CC271AE10505C431ED250E13CB5F675" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_AEFA8D1B630260A9652C50E13CB57E98" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_8488205A24E81FD4E41450E13CAEEE0C" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_AEFA8D1B630260A9652C50E13CB57E98" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/RecentlyIssuedAccountingStandardsAdoptionOfNewAccountingStandardIncomeStatementDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems" xlink:label="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_728FB421964A810AFEFC50E13CCCD62B" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable" xlink:label="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_8D793E829D0B5057BBEC50E13CC8B05B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_728FB421964A810AFEFC50E13CCCD62B" xlink:to="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_8D793E829D0B5057BBEC50E13CC8B05B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="loc_srt_ProductOrServiceAxis_97FE3189F846813BB76E50E13CC9F61C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_8D793E829D0B5057BBEC50E13CC8B05B" xlink:to="loc_srt_ProductOrServiceAxis_97FE3189F846813BB76E50E13CC9F61C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_18F6D43A9A6CE156145050E13CC9FE75_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_97FE3189F846813BB76E50E13CC9F61C" xlink:to="loc_srt_ProductsAndServicesDomain_18F6D43A9A6CE156145050E13CC9FE75_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_18F6D43A9A6CE156145050E13CC9FE75" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_97FE3189F846813BB76E50E13CC9F61C" xlink:to="loc_srt_ProductsAndServicesDomain_18F6D43A9A6CE156145050E13CC9FE75" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_SubscriptionandMaintenanceMember" xlink:label="loc_adsk_SubscriptionandMaintenanceMember_88E16C917E20F289ADFA50E13CC983DD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_18F6D43A9A6CE156145050E13CC9FE75" xlink:to="loc_adsk_SubscriptionandMaintenanceMember_88E16C917E20F289ADFA50E13CC983DD" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_SubscriptionRevenueMember" xlink:label="loc_adsk_SubscriptionRevenueMember_3C44FBD04DCF2467B5C750E13CCACBA9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adsk_SubscriptionandMaintenanceMember_88E16C917E20F289ADFA50E13CC983DD" xlink:to="loc_adsk_SubscriptionRevenueMember_3C44FBD04DCF2467B5C750E13CCACBA9" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_MaintenanceRevenueMember" xlink:label="loc_adsk_MaintenanceRevenueMember_159626AB3C2EFF01CE9950E13CCAD1F3" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adsk_SubscriptionandMaintenanceMember_88E16C917E20F289ADFA50E13CC983DD" xlink:to="loc_adsk_MaintenanceRevenueMember_159626AB3C2EFF01CE9950E13CCAD1F3" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_LicenseandOtherMember" xlink:label="loc_adsk_LicenseandOtherMember_F19146AEF2761349C3FC50E13CCA0AB4" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_18F6D43A9A6CE156145050E13CC9FE75" xlink:to="loc_adsk_LicenseandOtherMember_F19146AEF2761349C3FC50E13CCA0AB4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:label="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_FD855D2BEFBDC7E057BC50E13CCA158E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_8D793E829D0B5057BBEC50E13CC8B05B" xlink:to="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_FD855D2BEFBDC7E057BC50E13CCA158E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="loc_us-gaap_TypeOfAdoptionMember_5489265D2334F1DE982A50E13CCB39D7_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_FD855D2BEFBDC7E057BC50E13CCA158E" xlink:to="loc_us-gaap_TypeOfAdoptionMember_5489265D2334F1DE982A50E13CCB39D7_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="loc_us-gaap_TypeOfAdoptionMember_5489265D2334F1DE982A50E13CCB39D7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_FD855D2BEFBDC7E057BC50E13CCA158E" xlink:to="loc_us-gaap_TypeOfAdoptionMember_5489265D2334F1DE982A50E13CCB39D7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountingStandardsUpdate201409Member" xlink:label="loc_us-gaap_AccountingStandardsUpdate201409Member_34C11731E7380BA6E9F050E13CCBB6F8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfAdoptionMember_5489265D2334F1DE982A50E13CCB39D7" xlink:to="loc_us-gaap_AccountingStandardsUpdate201409Member_34C11731E7380BA6E9F050E13CCBB6F8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis" xlink:label="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis_A0A8664A666AE864316A50E13CCB140C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_8D793E829D0B5057BBEC50E13CC8B05B" xlink:to="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis_A0A8664A666AE864316A50E13CCB140C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain" xlink:label="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_6792CB70709AA7CAD03750E13CCC9DEE_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis_A0A8664A666AE864316A50E13CCB140C" xlink:to="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_6792CB70709AA7CAD03750E13CCC9DEE_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain" xlink:label="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_6792CB70709AA7CAD03750E13CCC9DEE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis_A0A8664A666AE864316A50E13CCB140C" xlink:to="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_6792CB70709AA7CAD03750E13CCC9DEE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member" xlink:label="loc_us-gaap_DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member_3648E262CE52FD73948C50E13CCCA36C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_6792CB70709AA7CAD03750E13CCC9DEE" xlink:to="loc_us-gaap_DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member_3648E262CE52FD73948C50E13CCCA36C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CalculatedUnderRevenueGuidanceInEffectBeforeTopic606Member" xlink:label="loc_us-gaap_CalculatedUnderRevenueGuidanceInEffectBeforeTopic606Member_D6E8EC6D251092177EAF50E13CCC2D14" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_6792CB70709AA7CAD03750E13CCC9DEE" xlink:to="loc_us-gaap_CalculatedUnderRevenueGuidanceInEffectBeforeTopic606Member_D6E8EC6D251092177EAF50E13CCC2D14" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_5545C7EE1243DA3824EE50E13CCD1C93" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_728FB421964A810AFEFC50E13CCCD62B" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_5545C7EE1243DA3824EE50E13CCD1C93" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_73DB5B96A9A779E38F8E50E13CCD9AEE" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_728FB421964A810AFEFC50E13CCCD62B" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_73DB5B96A9A779E38F8E50E13CCD9AEE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SellingAndMarketingExpense" xlink:label="loc_us-gaap_SellingAndMarketingExpense_FC4DF61FCB402D3077F650E13CCD42C9" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_728FB421964A810AFEFC50E13CCCD62B" xlink:to="loc_us-gaap_SellingAndMarketingExpense_FC4DF61FCB402D3077F650E13CCD42C9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_D188FE550F841645B51150E13CCD1B04" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_728FB421964A810AFEFC50E13CCCD62B" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_D188FE550F841645B51150E13CCD1B04" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_1F04482BB26760E3CA5550E13CCE102D" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_728FB421964A810AFEFC50E13CCCD62B" xlink:to="loc_us-gaap_NetIncomeLoss_1F04482BB26760E3CA5550E13CCE102D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_3C85F0961D12EE5A13CD50E13CCE9BD5" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_728FB421964A810AFEFC50E13CCCD62B" xlink:to="loc_us-gaap_EarningsPerShareBasic_3C85F0961D12EE5A13CD50E13CCE9BD5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_D50F1693A6353DDE0A7850E13CCE641D" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_728FB421964A810AFEFC50E13CCCD62B" xlink:to="loc_us-gaap_EarningsPerShareDiluted_D50F1693A6353DDE0A7850E13CCE641D" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/RecentlyIssuedAccountingStandardsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems" xlink:label="loc_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems_8434D73BB446D8E0EF6D50E13CDDBB81" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionTable" xlink:label="loc_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionTable_8D4BC693EDA82999903950E13CDAE40E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems_8434D73BB446D8E0EF6D50E13CDDBB81" xlink:to="loc_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionTable_8D4BC693EDA82999903950E13CDAE40E" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_E8C3406C1765F158141250E13CDA6A03" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionTable_8D4BC693EDA82999903950E13CDAE40E" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_E8C3406C1765F158141250E13CDA6A03" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_D3535066DA7F2A62E98550E13CDA301C_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_E8C3406C1765F158141250E13CDA6A03" xlink:to="loc_us-gaap_EquityComponentDomain_D3535066DA7F2A62E98550E13CDA301C_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_D3535066DA7F2A62E98550E13CDA301C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_E8C3406C1765F158141250E13CDA6A03" xlink:to="loc_us-gaap_EquityComponentDomain_D3535066DA7F2A62E98550E13CDA301C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_CDC4013A85F80D65651D50E13CDB1299" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_D3535066DA7F2A62E98550E13CDA301C" xlink:to="loc_us-gaap_RetainedEarningsMember_CDC4013A85F80D65651D50E13CDB1299" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:label="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_DBE93B149AD0A075616750E13CDBD145" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionTable_8D4BC693EDA82999903950E13CDAE40E" xlink:to="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_DBE93B149AD0A075616750E13CDBD145" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="loc_us-gaap_TypeOfAdoptionMember_2BDAE1F0ABCA8DB7CB8250E13CDB4740_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_DBE93B149AD0A075616750E13CDBD145" xlink:to="loc_us-gaap_TypeOfAdoptionMember_2BDAE1F0ABCA8DB7CB8250E13CDB4740_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="loc_us-gaap_TypeOfAdoptionMember_2BDAE1F0ABCA8DB7CB8250E13CDB4740" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_DBE93B149AD0A075616750E13CDBD145" xlink:to="loc_us-gaap_TypeOfAdoptionMember_2BDAE1F0ABCA8DB7CB8250E13CDB4740" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountingStandardsUpdate201616Member" xlink:label="loc_us-gaap_AccountingStandardsUpdate201616Member_51568D56AD41A484DCB650E13CDCE969" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfAdoptionMember_2BDAE1F0ABCA8DB7CB8250E13CDB4740" xlink:to="loc_us-gaap_AccountingStandardsUpdate201616Member_51568D56AD41A484DCB650E13CDCE969" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountingStandardsUpdate201409Member" xlink:label="loc_us-gaap_AccountingStandardsUpdate201409Member_E1307B3F2617A4F5AA8A50E13CDC229E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfAdoptionMember_2BDAE1F0ABCA8DB7CB8250E13CDB4740" xlink:to="loc_us-gaap_AccountingStandardsUpdate201409Member_E1307B3F2617A4F5AA8A50E13CDC229E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis" xlink:label="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis_45EB7BB5295954D7371A50E13CDC27F7" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionTable_8D4BC693EDA82999903950E13CDAE40E" xlink:to="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis_45EB7BB5295954D7371A50E13CDC27F7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain" xlink:label="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_E18EC1F0D01E2FCC005650E13CDCF27C_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis_45EB7BB5295954D7371A50E13CDC27F7" xlink:to="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_E18EC1F0D01E2FCC005650E13CDCF27C_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain" xlink:label="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_E18EC1F0D01E2FCC005650E13CDCF27C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis_45EB7BB5295954D7371A50E13CDC27F7" xlink:to="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_E18EC1F0D01E2FCC005650E13CDCF27C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member" xlink:label="loc_us-gaap_DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member_9D6705532D34681760D450E13CDDA7C1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InitialApplicationPeriodCumulativeEffectTransitionDomain_E18EC1F0D01E2FCC005650E13CDCF27C" xlink:to="loc_us-gaap_DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member_9D6705532D34681760D450E13CDDA7C1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption" xlink:label="loc_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_F718561E0E3B12EC913A50E13CDD5BC6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems_8434D73BB446D8E0EF6D50E13CDDBB81" xlink:to="loc_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_F718561E0E3B12EC913A50E13CDD5BC6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_F31143CA3730B97B191850E13CDE40CA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems_8434D73BB446D8E0EF6D50E13CDDBB81" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_F31143CA3730B97B191850E13CDE40CA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalizedContractCostNet" xlink:label="loc_us-gaap_CapitalizedContractCostNet_A6696003A4966FB4669D50E13CDE936F" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems_8434D73BB446D8E0EF6D50E13CDDBB81" xlink:to="loc_us-gaap_CapitalizedContractCostNet_A6696003A4966FB4669D50E13CDE936F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_1BF7055031DCD609794F50E13CDEF91A" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueInitialApplicationPeriodCumulativeEffectTransitionLineItems_8434D73BB446D8E0EF6D50E13CDDBB81" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_1BF7055031DCD609794F50E13CDEF91A" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/RecentlyIssuedAccountingStandardsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/RestructuringAndOtherExitCostsNet" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/RestructuringAndOtherExitCostsNetNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_12B838B7994C5EE39B60B30EC4FD3E1C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_832DD3DF08C05A76AD3ABDF779067887" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_12B838B7994C5EE39B60B30EC4FD3E1C" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_832DD3DF08C05A76AD3ABDF779067887" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_2FC7666D31FF5F87B9B0E53A957E4200" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_832DD3DF08C05A76AD3ABDF779067887" xlink:to="loc_us-gaap_StatementScenarioAxis_2FC7666D31FF5F87B9B0E53A957E4200" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_B2A37529362AF9C4DAEA7CB43F4449BF_A8F675A1DB235007973DA4F1CC5840CC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_2FC7666D31FF5F87B9B0E53A957E4200" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_B2A37529362AF9C4DAEA7CB43F4449BF_A8F675A1DB235007973DA4F1CC5840CC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_5D819F10F03E5E3BB8685388BC256AAE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_2FC7666D31FF5F87B9B0E53A957E4200" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_5D819F10F03E5E3BB8685388BC256AAE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScenarioForecastMember" xlink:label="loc_us-gaap_ScenarioForecastMember_C1A6A8CA84E2592782500820A1C3C5D8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_5D819F10F03E5E3BB8685388BC256AAE" xlink:to="loc_us-gaap_ScenarioForecastMember_C1A6A8CA84E2592782500820A1C3C5D8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestructuringPlanAxis" xlink:label="loc_us-gaap_RestructuringPlanAxis_145D0D680AAD5C7EB0C3233689362AC3" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_832DD3DF08C05A76AD3ABDF779067887" xlink:to="loc_us-gaap_RestructuringPlanAxis_145D0D680AAD5C7EB0C3233689362AC3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestructuringPlanDomain" xlink:label="loc_us-gaap_RestructuringPlanDomain_DCC82690F35CD0A9C4187C9F763BEE2F_A8F675A1DB235007973DA4F1CC5840CC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringPlanAxis_145D0D680AAD5C7EB0C3233689362AC3" xlink:to="loc_us-gaap_RestructuringPlanDomain_DCC82690F35CD0A9C4187C9F763BEE2F_A8F675A1DB235007973DA4F1CC5840CC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestructuringPlanDomain" xlink:label="loc_us-gaap_RestructuringPlanDomain_03FCFBB7CA775E2C88E537F48B27135B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringPlanAxis_145D0D680AAD5C7EB0C3233689362AC3" xlink:to="loc_us-gaap_RestructuringPlanDomain_03FCFBB7CA775E2C88E537F48B27135B" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_Fiscal2018PlanMember" xlink:label="loc_adsk_Fiscal2018PlanMember_C0C1222B687C5087B2B2418C1A9066DB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_03FCFBB7CA775E2C88E537F48B27135B" xlink:to="loc_adsk_Fiscal2018PlanMember_C0C1222B687C5087B2B2418C1A9066DB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent" xlink:label="loc_us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent_BBB5960E3C6950FBA88659E573AE0FC2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_12B838B7994C5EE39B60B30EC4FD3E1C" xlink:to="loc_us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent_BBB5960E3C6950FBA88659E573AE0FC2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated" xlink:label="loc_us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated_410A7454E8955834AA1809BA816AFA1D" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_12B838B7994C5EE39B60B30EC4FD3E1C" xlink:to="loc_us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated_410A7454E8955834AA1809BA816AFA1D" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/RestructuringAndOtherExitCostsNetRollForwardDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_9F318B195D53E01C4812757FD0CFDDC8" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_53B6A45C1A7088EE7853757FD0CD701B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_9F318B195D53E01C4812757FD0CFDDC8" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_53B6A45C1A7088EE7853757FD0CD701B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestructuringCostAndReserveAxis" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_53124BA4176ED8443F56757FD0CDE021" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_53B6A45C1A7088EE7853757FD0CD701B" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_53124BA4176ED8443F56757FD0CDE021" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_917B3E3EF1AFF183EAF4757FD0CE86D3_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_53124BA4176ED8443F56757FD0CDE021" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_917B3E3EF1AFF183EAF4757FD0CE86D3_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_917B3E3EF1AFF183EAF4757FD0CE86D3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_53124BA4176ED8443F56757FD0CDE021" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_917B3E3EF1AFF183EAF4757FD0CE86D3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeSeveranceMember" xlink:label="loc_us-gaap_EmployeeSeveranceMember_B1A60DEF11C150ACF41D757FD0CE84B3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_917B3E3EF1AFF183EAF4757FD0CE86D3" xlink:to="loc_us-gaap_EmployeeSeveranceMember_B1A60DEF11C150ACF41D757FD0CE84B3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FacilityClosingMember" xlink:label="loc_us-gaap_FacilityClosingMember_D8D61ABE17F728360521757FD0CFEC73" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_917B3E3EF1AFF183EAF4757FD0CE86D3" xlink:to="loc_us-gaap_FacilityClosingMember_D8D61ABE17F728360521757FD0CFEC73" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestructuringReserveRollForward" xlink:label="loc_us-gaap_RestructuringReserveRollForward_D04EDCDFAFC7A2A2713F757FD0CFAFB5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_9F318B195D53E01C4812757FD0CFDDC8" xlink:to="loc_us-gaap_RestructuringReserveRollForward_D04EDCDFAFC7A2A2713F757FD0CFAFB5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestructuringReserve" xlink:label="loc_us-gaap_RestructuringReserve_F332329FFB42D26D1098757FD0D09BD0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_D04EDCDFAFC7A2A2713F757FD0CFAFB5" xlink:to="loc_us-gaap_RestructuringReserve_F332329FFB42D26D1098757FD0D09BD0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_95F7255C6CCEB179ED45757FD0D0E47B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_D04EDCDFAFC7A2A2713F757FD0CFAFB5" xlink:to="loc_us-gaap_RestructuringCharges_95F7255C6CCEB179ED45757FD0D0E47B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsForRestructuring" xlink:label="loc_us-gaap_PaymentsForRestructuring_0687EC9947E0E660007E757FD0D125AB" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_D04EDCDFAFC7A2A2713F757FD0CFAFB5" xlink:to="loc_us-gaap_PaymentsForRestructuring_0687EC9947E0E660007E757FD0D125AB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestructuringReserveTranslationAndOtherAdjustment" xlink:label="loc_us-gaap_RestructuringReserveTranslationAndOtherAdjustment_B0D2503B2CE04C0EB7D9757FD0D1E807" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_D04EDCDFAFC7A2A2713F757FD0CFAFB5" xlink:to="loc_us-gaap_RestructuringReserveTranslationAndOtherAdjustment_B0D2503B2CE04C0EB7D9757FD0D1E807" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestructuringReserveCurrent" xlink:label="loc_us-gaap_RestructuringReserveCurrent_93F44F962FA5221FCF78757FD0D11846" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_9F318B195D53E01C4812757FD0CFDDC8" xlink:to="loc_us-gaap_RestructuringReserveCurrent_93F44F962FA5221FCF78757FD0D11846" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/RestructuringAndOtherExitCostsNetTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/RevenueRecognition" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/RevenueRecognitionContractRevenueDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_50B5AE15C97E51E8A84050E13C8C58B0" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisaggregationOfRevenueTable" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_EDD3CC881AFD33B7BAE950E13C83C5C8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_50B5AE15C97E51E8A84050E13C8C58B0" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_EDD3CC881AFD33B7BAE950E13C83C5C8" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="loc_srt_ProductOrServiceAxis_75BD8C5F34869952BC8750E13C83055A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_EDD3CC881AFD33B7BAE950E13C83C5C8" xlink:to="loc_srt_ProductOrServiceAxis_75BD8C5F34869952BC8750E13C83055A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_A28B5C5D7A2CC1916EE850E13C835950_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_75BD8C5F34869952BC8750E13C83055A" xlink:to="loc_srt_ProductsAndServicesDomain_A28B5C5D7A2CC1916EE850E13C835950_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_A28B5C5D7A2CC1916EE850E13C835950" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_75BD8C5F34869952BC8750E13C83055A" xlink:to="loc_srt_ProductsAndServicesDomain_A28B5C5D7A2CC1916EE850E13C835950" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_ArchitectureEngineeringAndConstructionMember" xlink:label="loc_adsk_ArchitectureEngineeringAndConstructionMember_07337B75555F56F277D650E13C84A491" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_A28B5C5D7A2CC1916EE850E13C835950" xlink:to="loc_adsk_ArchitectureEngineeringAndConstructionMember_07337B75555F56F277D650E13C84A491" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_AutoCADandAutoCADLTFamilyMember" xlink:label="loc_adsk_AutoCADandAutoCADLTFamilyMember_63EBC67DC15F057CB65750E13C89F0C7" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_A28B5C5D7A2CC1916EE850E13C835950" xlink:to="loc_adsk_AutoCADandAutoCADLTFamilyMember_63EBC67DC15F057CB65750E13C89F0C7" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_ManufacturingMember" xlink:label="loc_adsk_ManufacturingMember_0BBEDA4CC45611DC0DA950E13C89FA7A" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_A28B5C5D7A2CC1916EE850E13C835950" xlink:to="loc_adsk_ManufacturingMember_0BBEDA4CC45611DC0DA950E13C89FA7A" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_MediaAndEntertainmentMember" xlink:label="loc_adsk_MediaAndEntertainmentMember_0FEF035B86C088BA1BAD50E13C8A723D" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_A28B5C5D7A2CC1916EE850E13C835950" xlink:to="loc_adsk_MediaAndEntertainmentMember_0FEF035B86C088BA1BAD50E13C8A723D" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_OtherMember" xlink:label="loc_adsk_OtherMember_A6E89502160FB211460C50E13C8AB6C4" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_A28B5C5D7A2CC1916EE850E13C835950" xlink:to="loc_adsk_OtherMember_A6E89502160FB211460C50E13C8AB6C4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_StatementGeographicalAxis" xlink:label="loc_srt_StatementGeographicalAxis_9A5C94A5BA8BC394309E50E13C8AD7FE" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_EDD3CC881AFD33B7BAE950E13C83C5C8" xlink:to="loc_srt_StatementGeographicalAxis_9A5C94A5BA8BC394309E50E13C8AD7FE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_SegmentGeographicalDomain" xlink:label="loc_srt_SegmentGeographicalDomain_33B901EF0741A1E7C59D50E13C8A0DEF_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_9A5C94A5BA8BC394309E50E13C8AD7FE" xlink:to="loc_srt_SegmentGeographicalDomain_33B901EF0741A1E7C59D50E13C8A0DEF_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_SegmentGeographicalDomain" xlink:label="loc_srt_SegmentGeographicalDomain_33B901EF0741A1E7C59D50E13C8A0DEF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_9A5C94A5BA8BC394309E50E13C8AD7FE" xlink:to="loc_srt_SegmentGeographicalDomain_33B901EF0741A1E7C59D50E13C8A0DEF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_AmericasMember" xlink:label="loc_srt_AmericasMember_2B63590109E37A95FA1450E13C8AF273" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_33B901EF0741A1E7C59D50E13C8A0DEF" xlink:to="loc_srt_AmericasMember_2B63590109E37A95FA1450E13C8AF273" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_US" xlink:label="loc_country_US_00F6FD804B96DD484CC150E13C8BFF4F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_AmericasMember_2B63590109E37A95FA1450E13C8AF273" xlink:to="loc_country_US_00F6FD804B96DD484CC150E13C8BFF4F" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_OtherAmericasMember" xlink:label="loc_adsk_OtherAmericasMember_E2DC91D54F02438D3FAF50E13C8BC091" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_AmericasMember_2B63590109E37A95FA1450E13C8AF273" xlink:to="loc_adsk_OtherAmericasMember_E2DC91D54F02438D3FAF50E13C8BC091" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EMEAMember" xlink:label="loc_us-gaap_EMEAMember_65F8DFE373AB584E7F8550E13C8BA052" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_33B901EF0741A1E7C59D50E13C8A0DEF" xlink:to="loc_us-gaap_EMEAMember_65F8DFE373AB584E7F8550E13C8BA052" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_AsiaPacificMember" xlink:label="loc_srt_AsiaPacificMember_F446AB678FC07A699DCB50E13C8BA773" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_33B901EF0741A1E7C59D50E13C8A0DEF" xlink:to="loc_srt_AsiaPacificMember_F446AB678FC07A699DCB50E13C8BA773" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContractWithCustomerSalesChannelAxis" xlink:label="loc_us-gaap_ContractWithCustomerSalesChannelAxis_AC6B17ADEE4528098EF750E13C8C2BA8" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_EDD3CC881AFD33B7BAE950E13C83C5C8" xlink:to="loc_us-gaap_ContractWithCustomerSalesChannelAxis_AC6B17ADEE4528098EF750E13C8C2BA8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContractWithCustomerSalesChannelDomain" xlink:label="loc_us-gaap_ContractWithCustomerSalesChannelDomain_5E72A58BE465010CC5E750E13C8C24FC_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ContractWithCustomerSalesChannelAxis_AC6B17ADEE4528098EF750E13C8C2BA8" xlink:to="loc_us-gaap_ContractWithCustomerSalesChannelDomain_5E72A58BE465010CC5E750E13C8C24FC_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContractWithCustomerSalesChannelDomain" xlink:label="loc_us-gaap_ContractWithCustomerSalesChannelDomain_5E72A58BE465010CC5E750E13C8C24FC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ContractWithCustomerSalesChannelAxis_AC6B17ADEE4528098EF750E13C8C2BA8" xlink:to="loc_us-gaap_ContractWithCustomerSalesChannelDomain_5E72A58BE465010CC5E750E13C8C24FC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SalesChannelThroughIntermediaryMember" xlink:label="loc_us-gaap_SalesChannelThroughIntermediaryMember_B1AA880CDF5A444EE7A150E13C8C6CF9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ContractWithCustomerSalesChannelDomain_5E72A58BE465010CC5E750E13C8C24FC" xlink:to="loc_us-gaap_SalesChannelThroughIntermediaryMember_B1AA880CDF5A444EE7A150E13C8C6CF9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SalesChannelDirectlyToConsumerMember" xlink:label="loc_us-gaap_SalesChannelDirectlyToConsumerMember_890D33325BADDA3634DB50E13C8C0F42" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ContractWithCustomerSalesChannelDomain_5E72A58BE465010CC5E750E13C8C24FC" xlink:to="loc_us-gaap_SalesChannelDirectlyToConsumerMember_890D33325BADDA3634DB50E13C8C0F42" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_2E9980E8DAB9B23579AD50E13C8D63D9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_50B5AE15C97E51E8A84050E13C8C58B0" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_2E9980E8DAB9B23579AD50E13C8D63D9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_F1E1C41A910F2C3DF52450E13C8DFB8B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_50B5AE15C97E51E8A84050E13C8C58B0" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_F1E1C41A910F2C3DF52450E13C8DFB8B" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/RevenueRecognitionNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_97DFCD65393F5289BE164381FA37973C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_820477765BCD5485BED38F9AEB286F7D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_97DFCD65393F5289BE164381FA37973C" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_820477765BCD5485BED38F9AEB286F7D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_00234B849C5F522FB168183933C3AE6A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_820477765BCD5485BED38F9AEB286F7D" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_00234B849C5F522FB168183933C3AE6A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationPercentage" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_482F9847F65E57938E1036F2C8DB666B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_97DFCD65393F5289BE164381FA37973C" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_482F9847F65E57938E1036F2C8DB666B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_7B6847722CF25B598831014C3C0C9E86" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_97DFCD65393F5289BE164381FA37973C" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_7B6847722CF25B598831014C3C0C9E86" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/RevenueRecognitionTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/Segments" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/SegmentsDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/StockBasedCompensationExpense" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/StockBasedCompensationExpenseAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FE36FDCB9406048489D7658E014727C7" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_0404CCD28D5E41199CEA658E0142D7F7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FE36FDCB9406048489D7658E014727C7" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_0404CCD28D5E41199CEA658E0142D7F7" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TitleOfIndividualAxis" xlink:label="loc_us-gaap_TitleOfIndividualAxis_27CF5BD33479597BEF6F658E0143E5BC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_0404CCD28D5E41199CEA658E0142D7F7" xlink:to="loc_us-gaap_TitleOfIndividualAxis_27CF5BD33479597BEF6F658E0143E5BC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_1F6862541978BCF25D91658E014311DF_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_TitleOfIndividualAxis_27CF5BD33479597BEF6F658E0143E5BC" xlink:to="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_1F6862541978BCF25D91658E014311DF_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_1F6862541978BCF25D91658E014311DF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_TitleOfIndividualAxis_27CF5BD33479597BEF6F658E0143E5BC" xlink:to="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_1F6862541978BCF25D91658E014311DF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ChiefExecutiveOfficerMember" xlink:label="loc_us-gaap_ChiefExecutiveOfficerMember_7B1022EB8BB1830AC3A8658E01434905" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_1F6862541978BCF25D91658E014311DF" xlink:to="loc_us-gaap_ChiefExecutiveOfficerMember_7B1022EB8BB1830AC3A8658E01434905" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_VestingAxis" xlink:label="loc_us-gaap_VestingAxis_31F47980480E0AC3AECC658E01449573" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_0404CCD28D5E41199CEA658E0142D7F7" xlink:to="loc_us-gaap_VestingAxis_31F47980480E0AC3AECC658E01449573" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_VestingDomain" xlink:label="loc_us-gaap_VestingDomain_30491517F3AC3222D404658E01446119_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VestingAxis_31F47980480E0AC3AECC658E01449573" xlink:to="loc_us-gaap_VestingDomain_30491517F3AC3222D404658E01446119_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_VestingDomain" xlink:label="loc_us-gaap_VestingDomain_30491517F3AC3222D404658E01446119" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VestingAxis_31F47980480E0AC3AECC658E01449573" xlink:to="loc_us-gaap_VestingDomain_30491517F3AC3222D404658E01446119" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_B9D92668377E517F1C44658E0144518D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_30491517F3AC3222D404658E01446119" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_B9D92668377E517F1C44658E0144518D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheTwoMember" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_E9C86E673E89E6567ED6658E0144344E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_30491517F3AC3222D404658E01446119" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_E9C86E673E89E6567ED6658E0144344E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheThreeMember" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheThreeMember_B10E131A6EA2CB1ACD3D658E0145AA23" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_30491517F3AC3222D404658E01446119" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheThreeMember_B10E131A6EA2CB1ACD3D658E0145AA23" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_1BCC40B466E37B348F08658E01454E7C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_0404CCD28D5E41199CEA658E0142D7F7" xlink:to="loc_us-gaap_PlanNameAxis_1BCC40B466E37B348F08658E01454E7C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_3FDE29FC90EC8AD09988658E01455075_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_1BCC40B466E37B348F08658E01454E7C" xlink:to="loc_us-gaap_PlanNameDomain_3FDE29FC90EC8AD09988658E01455075_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_3FDE29FC90EC8AD09988658E01455075" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_1BCC40B466E37B348F08658E01454E7C" xlink:to="loc_us-gaap_PlanNameDomain_3FDE29FC90EC8AD09988658E01455075" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_EmployeeQualifiedStockPurchasePlan1998EspPlanMember" xlink:label="loc_adsk_EmployeeQualifiedStockPurchasePlan1998EspPlanMember_3ADD92F7D38A2BE38019658E01453E84" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_3FDE29FC90EC8AD09988658E01455075" xlink:to="loc_adsk_EmployeeQualifiedStockPurchasePlan1998EspPlanMember_3ADD92F7D38A2BE38019658E01453E84" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_96DACEAF12838E7CC41F658E0146D798" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_0404CCD28D5E41199CEA658E0142D7F7" xlink:to="loc_us-gaap_AwardTypeAxis_96DACEAF12838E7CC41F658E0146D798" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E30FA3032B1C336B05C0658E0146A9E6_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_96DACEAF12838E7CC41F658E0146D798" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E30FA3032B1C336B05C0658E0146A9E6_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E30FA3032B1C336B05C0658E0146A9E6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_96DACEAF12838E7CC41F658E0146D798" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E30FA3032B1C336B05C0658E0146A9E6" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_RestrictedStockUnitsRSUsandPerformanceSharesMember" xlink:label="loc_adsk_RestrictedStockUnitsRSUsandPerformanceSharesMember_6C9A136360BE851377DF658E0146099A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E30FA3032B1C336B05C0658E0146A9E6" xlink:to="loc_adsk_RestrictedStockUnitsRSUsandPerformanceSharesMember_6C9A136360BE851377DF658E0146099A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_E023FCAB0E591CD56BB7658E01467444" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E30FA3032B1C336B05C0658E0146A9E6" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_E023FCAB0E591CD56BB7658E01467444" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PerformanceSharesMember" xlink:label="loc_us-gaap_PerformanceSharesMember_DE25C1A6EAE81C5BE1E7658E014611D0" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E30FA3032B1C336B05C0658E0146A9E6" xlink:to="loc_us-gaap_PerformanceSharesMember_DE25C1A6EAE81C5BE1E7658E014611D0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_BFCBEBD1984954A18495658E014785A9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FE36FDCB9406048489D7658E014727C7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_BFCBEBD1984954A18495658E014785A9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_FDDAD8566C3D78960AA5658E0147FAE3" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FE36FDCB9406048489D7658E014727C7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_FDDAD8566C3D78960AA5658E0147FAE3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_2BC9C0C0559AB834D826658E0147B4E9" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FE36FDCB9406048489D7658E014727C7" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_2BC9C0C0559AB834D826658E0147B4E9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_05B56063182B61BE4883658E01482532" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FE36FDCB9406048489D7658E014727C7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_05B56063182B61BE4883658E01482532" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_E6F82A9F7921DD792750658E0148A48E" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FE36FDCB9406048489D7658E014727C7" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_E6F82A9F7921DD792750658E0148A48E" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_EmployeeStockPurchasePlanMaximumPercentageOfCompensationToPurchaseSharesByEligibleParticipants" xlink:label="loc_adsk_EmployeeStockPurchasePlanMaximumPercentageOfCompensationToPurchaseSharesByEligibleParticipants_37E93C1D14C6741622D7658E0148D613" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FE36FDCB9406048489D7658E014727C7" xlink:to="loc_adsk_EmployeeStockPurchasePlanMaximumPercentageOfCompensationToPurchaseSharesByEligibleParticipants_37E93C1D14C6741622D7658E0148D613" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_EmployeeStockPurchasePlanMinimumPercentageOfCommonStockFairValueDefinedToPurchaseSharesByEligibleParticipants" xlink:label="loc_adsk_EmployeeStockPurchasePlanMinimumPercentageOfCommonStockFairValueDefinedToPurchaseSharesByEligibleParticipants_6BEB34F4DFD3B44DCD38658E01482DA4" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FE36FDCB9406048489D7658E014727C7" xlink:to="loc_adsk_EmployeeStockPurchasePlanMinimumPercentageOfCommonStockFairValueDefinedToPurchaseSharesByEligibleParticipants_6BEB34F4DFD3B44DCD38658E01482DA4" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_EmployeeStockPurchasePlanNumberofExercisePeriods" xlink:label="loc_adsk_EmployeeStockPurchasePlanNumberofExercisePeriods_D024B104F0443E9864E6658E0148C535" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FE36FDCB9406048489D7658E014727C7" xlink:to="loc_adsk_EmployeeStockPurchasePlanNumberofExercisePeriods_D024B104F0443E9864E6658E0148C535" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_EmployeeStockPurchasePlanTermofExercisePeriod" xlink:label="loc_adsk_EmployeeStockPurchasePlanTermofExercisePeriod_D0042CBE7F3BA2F0967C658E0149D663" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FE36FDCB9406048489D7658E014727C7" xlink:to="loc_adsk_EmployeeStockPurchasePlanTermofExercisePeriod_D0042CBE7F3BA2F0967C658E0149D663" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_EmployeeStockPurchasePlanTermofOfferingPeriod" xlink:label="loc_adsk_EmployeeStockPurchasePlanTermofOfferingPeriod_D6E9EC32E8997E638BF8658E01492627" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FE36FDCB9406048489D7658E014727C7" xlink:to="loc_adsk_EmployeeStockPurchasePlanTermofOfferingPeriod_D6E9EC32E8997E638BF8658E01492627" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsExpectedVolatilityMarketCapitalization" xlink:label="loc_adsk_SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsExpectedVolatilityMarketCapitalization_4ADAEA2DDF494CA51DB4658E014920EE" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_FE36FDCB9406048489D7658E014727C7" xlink:to="loc_adsk_SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsExpectedVolatilityMarketCapitalization_4ADAEA2DDF494CA51DB4658E014920EE" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/StockBasedCompensationExpenseAssumptionUsedToEstimateFairValueOfStockBasedAwardsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_EB17907086AFD7FE3E76757FD15D3DF9" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_AEBCF19ADAF863BFA7B9757FD15ABD52" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_EB17907086AFD7FE3E76757FD15D3DF9" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_AEBCF19ADAF863BFA7B9757FD15ABD52" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_B1091395F6270B7088E2757FD15B20A2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_AEBCF19ADAF863BFA7B9757FD15ABD52" xlink:to="loc_us-gaap_PlanNameAxis_B1091395F6270B7088E2757FD15B20A2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_F510E2EF05A52EB0B31D757FD15B055E_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_B1091395F6270B7088E2757FD15B20A2" xlink:to="loc_us-gaap_PlanNameDomain_F510E2EF05A52EB0B31D757FD15B055E_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_F510E2EF05A52EB0B31D757FD15B055E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_B1091395F6270B7088E2757FD15B20A2" xlink:to="loc_us-gaap_PlanNameDomain_F510E2EF05A52EB0B31D757FD15B055E" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_EmployeeQualifiedStockPurchasePlan1998EspPlanMember" xlink:label="loc_adsk_EmployeeQualifiedStockPurchasePlan1998EspPlanMember_8E587764B4DD153C2B43757FD15B0311" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_F510E2EF05A52EB0B31D757FD15B055E" xlink:to="loc_adsk_EmployeeQualifiedStockPurchasePlan1998EspPlanMember_8E587764B4DD153C2B43757FD15B0311" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_8AD86F109FCDDC5ED21D757FD15C6ABA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_AEBCF19ADAF863BFA7B9757FD15ABD52" xlink:to="loc_us-gaap_AwardTypeAxis_8AD86F109FCDDC5ED21D757FD15C6ABA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E5787E8F649C4E62E6BF757FD15C6874_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_8AD86F109FCDDC5ED21D757FD15C6ABA" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E5787E8F649C4E62E6BF757FD15C6874_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E5787E8F649C4E62E6BF757FD15C6874" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_8AD86F109FCDDC5ED21D757FD15C6ABA" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E5787E8F649C4E62E6BF757FD15C6874" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PerformanceSharesMember" xlink:label="loc_us-gaap_PerformanceSharesMember_116A85F4542086F5A529757FD15C677B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E5787E8F649C4E62E6BF757FD15C6874" xlink:to="loc_us-gaap_PerformanceSharesMember_116A85F4542086F5A529757FD15C677B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_4260867B49CC6614B54A757FD15C91EE" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_AEBCF19ADAF863BFA7B9757FD15ABD52" xlink:to="loc_srt_RangeAxis_4260867B49CC6614B54A757FD15C91EE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_0D381B85E5F7F82F2F13757FD15C79E0_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_4260867B49CC6614B54A757FD15C91EE" xlink:to="loc_srt_RangeMember_0D381B85E5F7F82F2F13757FD15C79E0_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_0D381B85E5F7F82F2F13757FD15C79E0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_4260867B49CC6614B54A757FD15C91EE" xlink:to="loc_srt_RangeMember_0D381B85E5F7F82F2F13757FD15C79E0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember_7221C2275C5B65E939BC757FD15D0983" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_0D381B85E5F7F82F2F13757FD15C79E0" xlink:to="loc_srt_MinimumMember_7221C2275C5B65E939BC757FD15D0983" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember_9AA7BA5B5BD3B9959EC6757FD15D96CC" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_0D381B85E5F7F82F2F13757FD15C79E0" xlink:to="loc_srt_MaximumMember_9AA7BA5B5BD3B9959EC6757FD15D96CC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_40C00DAF577294F8C0D0757FD15DC144" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_EB17907086AFD7FE3E76757FD15D3DF9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_40C00DAF577294F8C0D0757FD15DC144" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_2DEB154168D76F6A3BF3757FD15E221B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_EB17907086AFD7FE3E76757FD15D3DF9" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_2DEB154168D76F6A3BF3757FD15E221B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_592A1BD3EB745B39484A757FD15EDDD6" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_EB17907086AFD7FE3E76757FD15D3DF9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_592A1BD3EB745B39484A757FD15EDDD6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_7CA5E67BE8D93035FA11757FD15E7A4A" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_EB17907086AFD7FE3E76757FD15D3DF9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_7CA5E67BE8D93035FA11757FD15E7A4A" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/StockBasedCompensationExpenseStockBasedCompensationExpenseDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_01110AC07F8A95F5034213328A7612E6" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_EA112C26E00AE87ADA5413328A6D10D3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_01110AC07F8A95F5034213328A7612E6" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_EA112C26E00AE87ADA5413328A6D10D3" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_73753D0A1316D7E5669D13328A6DCA94" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_EA112C26E00AE87ADA5413328A6D10D3" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_73753D0A1316D7E5669D13328A6DCA94" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_F44C9DD52DED60D7413013328A6E1A5B_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_73753D0A1316D7E5669D13328A6DCA94" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_F44C9DD52DED60D7413013328A6E1A5B_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_F44C9DD52DED60D7413013328A6E1A5B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_73753D0A1316D7E5669D13328A6DCA94" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_F44C9DD52DED60D7413013328A6E1A5B" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_CostofGoodsSoldSubscriptionMember" xlink:label="loc_adsk_CostofGoodsSoldSubscriptionMember_D881E34733E9529B5CE213328A6E34F8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_F44C9DD52DED60D7413013328A6E1A5B" xlink:to="loc_adsk_CostofGoodsSoldSubscriptionMember_D881E34733E9529B5CE213328A6E34F8" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_LicenseCostsMember" xlink:label="loc_adsk_LicenseCostsMember_5D7F1EB50B74E78EC9E613328A6F6321" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_F44C9DD52DED60D7413013328A6E1A5B" xlink:to="loc_adsk_LicenseCostsMember_5D7F1EB50B74E78EC9E613328A6F6321" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SellingAndMarketingExpenseMember" xlink:label="loc_us-gaap_SellingAndMarketingExpenseMember_4C9474CC0989FDF3867313328A74DFC8" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_F44C9DD52DED60D7413013328A6E1A5B" xlink:to="loc_us-gaap_SellingAndMarketingExpenseMember_4C9474CC0989FDF3867313328A74DFC8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseMember" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_BD15164A6AECF858FEEC13328A757841" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_F44C9DD52DED60D7413013328A6E1A5B" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_BD15164A6AECF858FEEC13328A757841" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GeneralAndAdministrativeExpenseMember" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpenseMember_FF4B9890A674BD0DF6D513328A757F6B" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_F44C9DD52DED60D7413013328A6E1A5B" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpenseMember_FF4B9890A674BD0DF6D513328A757F6B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_4328B9090E7C82DD425013328A76D0EF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_01110AC07F8A95F5034213328A7612E6" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_4328B9090E7C82DD425013328A76D0EF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_D3F76887D8F6F3B6525D13328A77099E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_01110AC07F8A95F5034213328A7612E6" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_D3F76887D8F6F3B6525D13328A77099E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_851B37F8F649CF01616F13328A77FF4B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_01110AC07F8A95F5034213328A7612E6" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_851B37F8F649CF01616F13328A77FF4B" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/StockBasedCompensationExpenseSummaryOfEsppActivityDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_44C6C9780E555CD7ADE3ECF0E27BA281" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_48FDA64136AE519583E4EDC4A68D8FFF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_44C6C9780E555CD7ADE3ECF0E27BA281" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_48FDA64136AE519583E4EDC4A68D8FFF" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_E856B8B317995E358D96CA0C8045015A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_48FDA64136AE519583E4EDC4A68D8FFF" xlink:to="loc_us-gaap_AwardTypeAxis_E856B8B317995E358D96CA0C8045015A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6192196223EF4CA71B692338F47220FB_A8F675A1DB235007973DA4F1CC5840CC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_E856B8B317995E358D96CA0C8045015A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6192196223EF4CA71B692338F47220FB_A8F675A1DB235007973DA4F1CC5840CC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6C71C66F7CA15946977B5BAE2F556D13" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_E856B8B317995E358D96CA0C8045015A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6C71C66F7CA15946977B5BAE2F556D13" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeStockMember" xlink:label="loc_us-gaap_EmployeeStockMember_8C82CFFE9BC955F08FAC4CFE37823B91" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6C71C66F7CA15946977B5BAE2F556D13" xlink:to="loc_us-gaap_EmployeeStockMember_8C82CFFE9BC955F08FAC4CFE37823B91" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_29890358A65A58B5B3A5E4C9834DCC1A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_48FDA64136AE519583E4EDC4A68D8FFF" xlink:to="loc_us-gaap_PlanNameAxis_29890358A65A58B5B3A5E4C9834DCC1A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_04E1545BBD426948446D2338F473C7A7_A8F675A1DB235007973DA4F1CC5840CC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_29890358A65A58B5B3A5E4C9834DCC1A" xlink:to="loc_us-gaap_PlanNameDomain_04E1545BBD426948446D2338F473C7A7_A8F675A1DB235007973DA4F1CC5840CC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_D50195C53C0B53A2B51548D1E60BE8CA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_29890358A65A58B5B3A5E4C9834DCC1A" xlink:to="loc_us-gaap_PlanNameDomain_D50195C53C0B53A2B51548D1E60BE8CA" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_EmployeeQualifiedStockPurchasePlan1998EspPlanMember" xlink:label="loc_adsk_EmployeeQualifiedStockPurchasePlan1998EspPlanMember_E39027369B1250ACBC128014AC191E9C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_D50195C53C0B53A2B51548D1E60BE8CA" xlink:to="loc_adsk_EmployeeQualifiedStockPurchasePlan1998EspPlanMember_E39027369B1250ACBC128014AC191E9C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_89B8D68D13E15489A2F8E56C9E533E22" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_44C6C9780E555CD7ADE3ECF0E27BA281" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_89B8D68D13E15489A2F8E56C9E533E22" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedAveragePrice" xlink:label="loc_adsk_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedAveragePrice_1DB37F5AAD4A5FF988F9D133C770A69E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_44C6C9780E555CD7ADE3ECF0E27BA281" xlink:to="loc_adsk_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedAveragePrice_1DB37F5AAD4A5FF988F9D133C770A69E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_5D7067148AE4531B9D00EF6954E1D62C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_44C6C9780E555CD7ADE3ECF0E27BA281" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_5D7067148AE4531B9D00EF6954E1D62C" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/StockBasedCompensationExpenseSummaryOfRestrictedStockAwardAndRestrictedStockUnitActivityDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_AAE7F79CE7957624E4AC757FD1A0DE2D" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F3BD6D2D299792FF2AAB757FD19D3860" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_AAE7F79CE7957624E4AC757FD1A0DE2D" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F3BD6D2D299792FF2AAB757FD19D3860" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_EDE65FDC4451C20CFC8F757FD19EE08E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F3BD6D2D299792FF2AAB757FD19D3860" xlink:to="loc_srt_RangeAxis_EDE65FDC4451C20CFC8F757FD19EE08E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_5E68192967E19F2EB546757FD19E95E4_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_EDE65FDC4451C20CFC8F757FD19EE08E" xlink:to="loc_srt_RangeMember_5E68192967E19F2EB546757FD19E95E4_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_5E68192967E19F2EB546757FD19E95E4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_EDE65FDC4451C20CFC8F757FD19EE08E" xlink:to="loc_srt_RangeMember_5E68192967E19F2EB546757FD19E95E4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember_7F069C6B4459EA76F07C757FD19E22F3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_5E68192967E19F2EB546757FD19E95E4" xlink:to="loc_srt_MinimumMember_7F069C6B4459EA76F07C757FD19E22F3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember_E0DF2AB2F965CFBA4573757FD19FDBC5" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_5E68192967E19F2EB546757FD19E95E4" xlink:to="loc_srt_MaximumMember_E0DF2AB2F965CFBA4573757FD19FDBC5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_5BF115460F2C5401585F757FD19F4BCA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F3BD6D2D299792FF2AAB757FD19D3860" xlink:to="loc_us-gaap_AwardTypeAxis_5BF115460F2C5401585F757FD19F4BCA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_437C32899E5C599EA5D9757FD19FAF63_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_5BF115460F2C5401585F757FD19F4BCA" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_437C32899E5C599EA5D9757FD19FAF63_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_437C32899E5C599EA5D9757FD19FAF63" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_5BF115460F2C5401585F757FD19F4BCA" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_437C32899E5C599EA5D9757FD19FAF63" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_RestrictedStockUnitsRSUsandPerformanceSharesMember" xlink:label="loc_adsk_RestrictedStockUnitsRSUsandPerformanceSharesMember_F0FA756677C79AB6D22B757FD19FCFFC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_437C32899E5C599EA5D9757FD19FAF63" xlink:to="loc_adsk_RestrictedStockUnitsRSUsandPerformanceSharesMember_F0FA756677C79AB6D22B757FD19FCFFC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PerformanceSharesMember" xlink:label="loc_us-gaap_PerformanceSharesMember_F35ECE57EF3CA75849F7757FD1A05C8E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_437C32899E5C599EA5D9757FD19FAF63" xlink:to="loc_us-gaap_PerformanceSharesMember_F35ECE57EF3CA75849F7757FD1A05C8E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_A49C54FB9A51D088B8E9757FD1A08323" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_AAE7F79CE7957624E4AC757FD1A0DE2D" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_A49C54FB9A51D088B8E9757FD1A08323" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_453D47531C43775E4DAF757FD1A0BB12" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_A49C54FB9A51D088B8E9757FD1A08323" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_453D47531C43775E4DAF757FD1A0BB12" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_44CA6EF64B7E04C0193E757FD1A036A8" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_A49C54FB9A51D088B8E9757FD1A08323" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_44CA6EF64B7E04C0193E757FD1A036A8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_6DFACE7E9919F8518019757FD1A10C37" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_A49C54FB9A51D088B8E9757FD1A08323" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_6DFACE7E9919F8518019757FD1A10C37" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_E672A4D798E27AB314D6757FD1A1BF6A" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_A49C54FB9A51D088B8E9757FD1A08323" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_E672A4D798E27AB314D6757FD1A1BF6A" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentsInPeriod" xlink:label="loc_adsk_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentsInPeriod_3683686F685C849B5F6F757FD1A108A6" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_A49C54FB9A51D088B8E9757FD1A08323" xlink:to="loc_adsk_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentsInPeriod_3683686F685C849B5F6F757FD1A108A6" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsWeightedAverageGrantDateFairValueRollForward" xlink:label="loc_adsk_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsWeightedAverageGrantDateFairValueRollForward_807C38038B56E99ECDF2757FD1A197F7" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_AAE7F79CE7957624E4AC757FD1A0DE2D" xlink:to="loc_adsk_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsWeightedAverageGrantDateFairValueRollForward_807C38038B56E99ECDF2757FD1A197F7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_214A6ED54571F6129228757FD1A2F68E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adsk_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsWeightedAverageGrantDateFairValueRollForward_807C38038B56E99ECDF2757FD1A197F7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_214A6ED54571F6129228757FD1A2F68E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_D9DFACDCF1C73A9F9D4B757FD1A2BF1C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adsk_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsWeightedAverageGrantDateFairValueRollForward_807C38038B56E99ECDF2757FD1A197F7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_D9DFACDCF1C73A9F9D4B757FD1A2BF1C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_3E8EB168C4FA71D10BD5757FD1A22CE8" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adsk_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsWeightedAverageGrantDateFairValueRollForward_807C38038B56E99ECDF2757FD1A197F7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_3E8EB168C4FA71D10BD5757FD1A22CE8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_DCC3221298BADC8EFB2B757FD1A2BB19" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adsk_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsWeightedAverageGrantDateFairValueRollForward_807C38038B56E99ECDF2757FD1A197F7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_DCC3221298BADC8EFB2B757FD1A2BB19" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentsWeightedAverageGrantDateFairValue" xlink:label="loc_adsk_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentsWeightedAverageGrantDateFairValue_99E41E40EEF796E0BFE0757FD1A2A10F" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adsk_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsWeightedAverageGrantDateFairValueRollForward_807C38038B56E99ECDF2757FD1A197F7" xlink:to="loc_adsk_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentsWeightedAverageGrantDateFairValue_99E41E40EEF796E0BFE0757FD1A2A10F" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_PerformanceSharesUnitsPayoutPercentage" xlink:label="loc_adsk_PerformanceSharesUnitsPayoutPercentage_424E28F4723B4C35DC4B757FD1A3CB66" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_AAE7F79CE7957624E4AC757FD1A0DE2D" xlink:to="loc_adsk_PerformanceSharesUnitsPayoutPercentage_424E28F4723B4C35DC4B757FD1A3CB66" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/StockBasedCompensationExpenseTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/StockholdersDeficit" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/StockholdersDeficitDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_us-gaap_ClassOfStockLineItems_1820D47C352B44AC5BE9757FD0B82A72" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_E54D8DE603D2C19F8589757FD0B6FA59" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_1820D47C352B44AC5BE9757FD0B82A72" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_E54D8DE603D2C19F8589757FD0B6FA59" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_C3E28D0A834F9D8AEC50757FD0B6383B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_E54D8DE603D2C19F8589757FD0B6FA59" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_C3E28D0A834F9D8AEC50757FD0B6383B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_2D784D242A9A5A95C57C757FD0B7B64B_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_C3E28D0A834F9D8AEC50757FD0B6383B" xlink:to="loc_us-gaap_EquityComponentDomain_2D784D242A9A5A95C57C757FD0B7B64B_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_2D784D242A9A5A95C57C757FD0B7B64B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_C3E28D0A834F9D8AEC50757FD0B6383B" xlink:to="loc_us-gaap_EquityComponentDomain_2D784D242A9A5A95C57C757FD0B7B64B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_191F158F8263991DF3FB757FD0B7243C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_2D784D242A9A5A95C57C757FD0B7B64B" xlink:to="loc_us-gaap_CommonStockMember_191F158F8263991DF3FB757FD0B7243C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_3C0511E4FA61BC023AF0757FD0B7FB03" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_2D784D242A9A5A95C57C757FD0B7B64B" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_3C0511E4FA61BC023AF0757FD0B7FB03" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_BE295D3BF91683EAF15C757FD0B773B2" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_2D784D242A9A5A95C57C757FD0B7B64B" xlink:to="loc_us-gaap_RetainedEarningsMember_BE295D3BF91683EAF15C757FD0B773B2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1658CA448F5A0792EBAF757FD0B8492A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_1820D47C352B44AC5BE9757FD0B82A72" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1658CA448F5A0792EBAF757FD0B8492A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_4A59FFFF66F7B0EC96C1757FD0B8C243" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1658CA448F5A0792EBAF757FD0B8492A" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_4A59FFFF66F7B0EC96C1757FD0B8C243" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_945081FABDCBB930E2FC757FD0B84EF6" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1658CA448F5A0792EBAF757FD0B8492A" xlink:to="loc_us-gaap_StockholdersEquity_945081FABDCBB930E2FC757FD0B84EF6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_146AE29C0BA2C7151A74757FD0B80913" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1658CA448F5A0792EBAF757FD0B8492A" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_146AE29C0BA2C7151A74757FD0B80913" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_E27D1074B1B4382328E6757FD0B870AB" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1658CA448F5A0792EBAF757FD0B8492A" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_E27D1074B1B4382328E6757FD0B870AB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_870352DBE53D373CC6E6757FD0B9396E" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1658CA448F5A0792EBAF757FD0B8492A" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_870352DBE53D373CC6E6757FD0B9396E" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_CumulativeEffectofAccountingChange" xlink:label="loc_adsk_CumulativeEffectofAccountingChange_18902B53788B7BC8DE0D757FD0B944A8" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1658CA448F5A0792EBAF757FD0B8492A" xlink:to="loc_adsk_CumulativeEffectofAccountingChange_18902B53788B7BC8DE0D757FD0B944A8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_731531BE0187CBF24BE0757FD0B98121" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1658CA448F5A0792EBAF757FD0B8492A" xlink:to="loc_us-gaap_NetIncomeLoss_731531BE0187CBF24BE0757FD0B98121" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_60F8C2C6088558116A6F757FD0B92E5A" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1658CA448F5A0792EBAF757FD0B8492A" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_60F8C2C6088558116A6F757FD0B92E5A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_33F82900DAFD619C3D27757FD0BADF47" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1658CA448F5A0792EBAF757FD0B8492A" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_33F82900DAFD619C3D27757FD0BADF47" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueAcquisitions" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueAcquisitions_EFC6F86748BC51E0D1D7757FD0BA1200" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1658CA448F5A0792EBAF757FD0B8492A" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueAcquisitions_EFC6F86748BC51E0D1D7757FD0BA1200" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_ED36490D48D48D70A3A5757FD0BAE305" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1658CA448F5A0792EBAF757FD0B8492A" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_ED36490D48D48D70A3A5757FD0BAE305" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodValue" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_28D49A89CF8B8CDAF1DE757FD0BA33FB" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_1658CA448F5A0792EBAF757FD0B8492A" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_28D49A89CF8B8CDAF1DE757FD0BA33FB" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/StockholdersDeficitNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_us-gaap_ClassOfStockLineItems_29C376DEB45996B11389757FD0ADD8B8" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_E68E45511198F659A1CF757FD0A8EE0E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_29C376DEB45996B11389757FD0ADD8B8" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_E68E45511198F659A1CF757FD0A8EE0E" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareRepurchaseProgramAxis" xlink:label="loc_us-gaap_ShareRepurchaseProgramAxis_A188B430A409515805B8757FD0A92CCF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_E68E45511198F659A1CF757FD0A8EE0E" xlink:to="loc_us-gaap_ShareRepurchaseProgramAxis_A188B430A409515805B8757FD0A92CCF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_AE2DAA21EEA3D1070401757FD0A90161_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_A188B430A409515805B8757FD0A92CCF" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_AE2DAA21EEA3D1070401757FD0A90161_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_AE2DAA21EEA3D1070401757FD0A90161" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_A188B430A409515805B8757FD0A92CCF" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_AE2DAA21EEA3D1070401757FD0A90161" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_CommonStockRepurchaseProgramMember" xlink:label="loc_adsk_CommonStockRepurchaseProgramMember_644DA49A61D3B9124312757FD0A99BDF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_AE2DAA21EEA3D1070401757FD0A90161" xlink:to="loc_adsk_CommonStockRepurchaseProgramMember_644DA49A61D3B9124312757FD0A99BDF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodShares" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodShares_7F75576AC07E54C282EA757FD0AD8778" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_29C376DEB45996B11389757FD0ADD8B8" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodShares_7F75576AC07E54C282EA757FD0AD8778" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockAcquiredAverageCostPerShare" xlink:label="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_C90F7AE68254B7E7A308757FD0AEEFDC" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_29C376DEB45996B11389757FD0ADD8B8" xlink:to="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_C90F7AE68254B7E7A308757FD0AEEFDC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased_BC1DEED44ED7B426A809757FD0AFD116" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_29C376DEB45996B11389757FD0ADD8B8" xlink:to="loc_us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased_BC1DEED44ED7B426A809757FD0AFD116" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/StockholdersDeficitTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/SubsequentEvents" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/SubsequentEventsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsequentEventLineItems" xlink:label="loc_us-gaap_SubsequentEventLineItems_048D90ECC7BF6CDA00AB7A107D042D5B" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsequentEventTable" xlink:label="loc_us-gaap_SubsequentEventTable_E9BAFD1AA5766C22C0BA7A107CFF7333" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsequentEventLineItems_048D90ECC7BF6CDA00AB7A107D042D5B" xlink:to="loc_us-gaap_SubsequentEventTable_E9BAFD1AA5766C22C0BA7A107CFF7333" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_8C435C4E5689C37B6E567A107D0198BC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_E9BAFD1AA5766C22C0BA7A107CFF7333" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_8C435C4E5689C37B6E567A107D0198BC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_FD29EA71E542FE02ED867A107D01350A_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_8C435C4E5689C37B6E567A107D0198BC" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_FD29EA71E542FE02ED867A107D01350A_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_FD29EA71E542FE02ED867A107D01350A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_8C435C4E5689C37B6E567A107D0198BC" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_FD29EA71E542FE02ED867A107D01350A" xlink:type="arc" />
    <link:loc xlink:href="adsk-20181031.xsd#adsk_PlanGridMember" xlink:label="loc_adsk_PlanGridMember_1E41512EDE5E98F25A327A107D01A8F1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_FD29EA71E542FE02ED867A107D01350A" xlink:to="loc_adsk_PlanGridMember_1E41512EDE5E98F25A327A107D01A8F1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_6DFA908E2C017723EE8A7A107D028753" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_E9BAFD1AA5766C22C0BA7A107CFF7333" xlink:to="loc_us-gaap_StatementScenarioAxis_6DFA908E2C017723EE8A7A107D028753" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_6EBF61900ECCDAA05AEE7A107D023E1C_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_6DFA908E2C017723EE8A7A107D028753" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_6EBF61900ECCDAA05AEE7A107D023E1C_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_6EBF61900ECCDAA05AEE7A107D023E1C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_6DFA908E2C017723EE8A7A107D028753" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_6EBF61900ECCDAA05AEE7A107D023E1C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScenarioForecastMember" xlink:label="loc_us-gaap_ScenarioForecastMember_CDFCB8C00A2643C3C78E7A107D039E49" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_6EBF61900ECCDAA05AEE7A107D023E1C" xlink:to="loc_us-gaap_ScenarioForecastMember_CDFCB8C00A2643C3C78E7A107D039E49" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_2AFDDC23716B9999DBE47A107D030556" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_E9BAFD1AA5766C22C0BA7A107CFF7333" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_2AFDDC23716B9999DBE47A107D030556" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_015F6722C06B0D8D59FA7A107D03EAB6_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_2AFDDC23716B9999DBE47A107D030556" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_015F6722C06B0D8D59FA7A107D03EAB6_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_015F6722C06B0D8D59FA7A107D03EAB6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_2AFDDC23716B9999DBE47A107D030556" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_015F6722C06B0D8D59FA7A107D03EAB6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_123E6F27B27B0FC7F91E7A107D03D688" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_015F6722C06B0D8D59FA7A107D03EAB6" xlink:to="loc_us-gaap_SubsequentEventMember_123E6F27B27B0FC7F91E7A107D03D688" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_6EA5F0E1A08D9307340F7A107D045A00" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_048D90ECC7BF6CDA00AB7A107D042D5B" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_6EA5F0E1A08D9307340F7A107D045A00" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/SubsequentEventsTables" xlink:type="extended" />
</link:linkbase>
