

<!--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-20161031.xsd#AccumulatedOtherComprehensiveLoss" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/AccumulatedOtherComprehensiveLossDetails" xlink:href="adsk-20161031.xsd#AccumulatedOtherComprehensiveLossDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/AccumulatedOtherComprehensiveLossTables" xlink:href="adsk-20161031.xsd#AccumulatedOtherComprehensiveLossTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/AcquisitionDetails" xlink:href="adsk-20161031.xsd#AcquisitionDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/Acquisitions" xlink:href="adsk-20161031.xsd#Acquisitions" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/AcquisitionsSummaryOfFairValueOfAssetsAcquiredAndLiabilitiesAssumedByMajorClassDetails" xlink:href="adsk-20161031.xsd#AcquisitionsSummaryOfFairValueOfAssetsAcquiredAndLiabilitiesAssumedByMajorClassDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/AcquisitionsTables" xlink:href="adsk-20161031.xsd#AcquisitionsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/BasisOfPresentation" xlink:href="adsk-20161031.xsd#BasisOfPresentation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/BasisOfPresentationPolicies" xlink:href="adsk-20161031.xsd#BasisOfPresentationPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/BasisOfPresentationReclassificationDetails" xlink:href="adsk-20161031.xsd#BasisOfPresentationReclassificationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/BorrowingArrangements" xlink:href="adsk-20161031.xsd#BorrowingArrangements" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/BorrowingArrangementsAdditionalInformationDetails" xlink:href="adsk-20161031.xsd#BorrowingArrangementsAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/CommitmentsAndContingencies" xlink:href="adsk-20161031.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/CommonStockRepurchaseProgram" xlink:href="adsk-20161031.xsd#CommonStockRepurchaseProgram" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/CommonStockRepurchaseProgramAdditionalInformationDetails" xlink:href="adsk-20161031.xsd#CommonStockRepurchaseProgramAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/ComputerEquipmentSoftwareFurnitureAndLeaseholdImprovementsNet" xlink:href="adsk-20161031.xsd#ComputerEquipmentSoftwareFurnitureAndLeaseholdImprovementsNet" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/ComputerEquipmentSoftwareFurnitureAndLeaseholdImprovementsNetDetails" xlink:href="adsk-20161031.xsd#ComputerEquipmentSoftwareFurnitureAndLeaseholdImprovementsNetDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/ComputerEquipmentSoftwareFurnitureAndLeaseholdImprovementsNetTables" xlink:href="adsk-20161031.xsd#ComputerEquipmentSoftwareFurnitureAndLeaseholdImprovementsNetTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/ConcentrationOfCreditRisk" xlink:href="adsk-20161031.xsd#ConcentrationOfCreditRisk" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/ConcentrationOfCreditRiskAdditionalInformationDetails" xlink:href="adsk-20161031.xsd#ConcentrationOfCreditRiskAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/CondensedConsolidatedBalanceSheets" xlink:href="adsk-20161031.xsd#CondensedConsolidatedBalanceSheets" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/CondensedConsolidatedStatementsOfCashFlows" xlink:href="adsk-20161031.xsd#CondensedConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/CondensedConsolidatedStatementsOfComprehensiveLoss" xlink:href="adsk-20161031.xsd#CondensedConsolidatedStatementsOfComprehensiveLoss" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/CondensedConsolidatedStatementsOfComprehensiveLossParenthetical" xlink:href="adsk-20161031.xsd#CondensedConsolidatedStatementsOfComprehensiveLossParenthetical" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/CondensedConsolidatedStatementsOfOperations" xlink:href="adsk-20161031.xsd#CondensedConsolidatedStatementsOfOperations" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/DeferredCompensation" xlink:href="adsk-20161031.xsd#DeferredCompensation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/DeferredCompensationAdditionalInformationDetails" xlink:href="adsk-20161031.xsd#DeferredCompensationAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/DocumentAndEntityInformation" xlink:href="adsk-20161031.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/FinancialInstruments" xlink:href="adsk-20161031.xsd#FinancialInstruments" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/FinancialInstrumentsAvailableForSaleSecuritiesGainLossActivityDetails" xlink:href="adsk-20161031.xsd#FinancialInstrumentsAvailableForSaleSecuritiesGainLossActivityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/FinancialInstrumentsContractualMaturitiesOfTypesOfSecuritiesDetails" xlink:href="adsk-20161031.xsd#FinancialInstrumentsContractualMaturitiesOfTypesOfSecuritiesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/FinancialInstrumentsCostAndFairValueOfFinancialInstrumentsDetails" xlink:href="adsk-20161031.xsd#FinancialInstrumentsCostAndFairValueOfFinancialInstrumentsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/FinancialInstrumentsEffectsOfDerivativeInstrumentsOnCondensedConsolidatedStatementsOfOperationsDetails" xlink:href="adsk-20161031.xsd#FinancialInstrumentsEffectsOfDerivativeInstrumentsOnCondensedConsolidatedStatementsOfOperationsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/FinancialInstrumentsFairValueOfDerivativeInstrumentsDetails" xlink:href="adsk-20161031.xsd#FinancialInstrumentsFairValueOfDerivativeInstrumentsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/FinancialInstrumentsReconciliationOfChangeInLevel3ItemsDetails" xlink:href="adsk-20161031.xsd#FinancialInstrumentsReconciliationOfChangeInLevel3ItemsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/FinancialInstrumentsTables" xlink:href="adsk-20161031.xsd#FinancialInstrumentsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/Goodwill" xlink:href="adsk-20161031.xsd#Goodwill" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/GoodwillChangesInCarryingAmountOfGoodwill2Details" xlink:href="adsk-20161031.xsd#GoodwillChangesInCarryingAmountOfGoodwill2Details" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/GoodwillTables" xlink:href="adsk-20161031.xsd#GoodwillTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/IncomeTax" xlink:href="adsk-20161031.xsd#IncomeTax" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/IncomeTaxErrorCorrectionsDetails" xlink:href="adsk-20161031.xsd#IncomeTaxErrorCorrectionsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/IncomeTaxNarrativeDetails" xlink:href="adsk-20161031.xsd#IncomeTaxNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/IncomeTaxTables" xlink:href="adsk-20161031.xsd#IncomeTaxTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/NetIncomePerShareDetails" xlink:href="adsk-20161031.xsd#NetIncomePerShareDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/NetIncomePerShareTables" xlink:href="adsk-20161031.xsd#NetIncomePerShareTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/NetLossPerShare" xlink:href="adsk-20161031.xsd#NetLossPerShare" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/OtherIntangibleAssetsAndRelatedAccumulatedAmortizationDetails" xlink:href="adsk-20161031.xsd#OtherIntangibleAssetsAndRelatedAccumulatedAmortizationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/OtherIntangibleAssetsNet" xlink:href="adsk-20161031.xsd#OtherIntangibleAssetsNet" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/OtherIntangibleAssetsNetTables" xlink:href="adsk-20161031.xsd#OtherIntangibleAssetsNetTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/RecentlyIssuedAccountingStandards" xlink:href="adsk-20161031.xsd#RecentlyIssuedAccountingStandards" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/RecentlyIssuedAccountingStandardsAsuAdoptionDetails" xlink:href="adsk-20161031.xsd#RecentlyIssuedAccountingStandardsAsuAdoptionDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/RecentlyIssuedAccountingStandardsRecentlyIssuedAccountingStandardsTables" xlink:href="adsk-20161031.xsd#RecentlyIssuedAccountingStandardsRecentlyIssuedAccountingStandardsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/RestructuringChargesAndOtherFacilityExitCostsNet" xlink:href="adsk-20161031.xsd#RestructuringChargesAndOtherFacilityExitCostsNet" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/RestructuringChargesAndOtherFacilityExitCostsNetDetails" xlink:href="adsk-20161031.xsd#RestructuringChargesAndOtherFacilityExitCostsNetDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/RestructuringChargesAndOtherFacilityExitCostsNetTables" xlink:href="adsk-20161031.xsd#RestructuringChargesAndOtherFacilityExitCostsNetTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/Segments" xlink:href="adsk-20161031.xsd#Segments" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/SegmentsConcerningOperationsOfReportableSegmentsDetails" xlink:href="adsk-20161031.xsd#SegmentsConcerningOperationsOfReportableSegmentsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/SegmentsInformationRegardingOperationsByGeographicAreaAndProductFamilyDetails" xlink:href="adsk-20161031.xsd#SegmentsInformationRegardingOperationsByGeographicAreaAndProductFamilyDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/SegmentsTables" xlink:href="adsk-20161031.xsd#SegmentsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/StockBasedCompensationExpense" xlink:href="adsk-20161031.xsd#StockBasedCompensationExpense" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/StockBasedCompensationExpenseAdditionalInformationDetails" xlink:href="adsk-20161031.xsd#StockBasedCompensationExpenseAdditionalInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/StockBasedCompensationExpenseAssumptionUsedToEstimateFairValueOfStockBasedAwardsDetails" xlink:href="adsk-20161031.xsd#StockBasedCompensationExpenseAssumptionUsedToEstimateFairValueOfStockBasedAwardsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/StockBasedCompensationExpenseStockBasedCompensationExpenseDetails" xlink:href="adsk-20161031.xsd#StockBasedCompensationExpenseStockBasedCompensationExpenseDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/StockBasedCompensationExpenseSummaryOfRestrictedStockAwardAndRestrictedStockUnitActivityDetails" xlink:href="adsk-20161031.xsd#StockBasedCompensationExpenseSummaryOfRestrictedStockAwardAndRestrictedStockUnitActivityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.usa.autodesk.com/role/StockBasedCompensationExpenseTables" xlink:href="adsk-20161031.xsd#StockBasedCompensationExpenseTables" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_FC087862C470CC3EC253731041819BF6" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_00742809A89B31D1D6C673104180E0A2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_FC087862C470CC3EC253731041819BF6" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_00742809A89B31D1D6C673104180E0A2" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_F4DAE44AF932DF9D1A65731041807EA9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_00742809A89B31D1D6C673104180E0A2" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_F4DAE44AF932DF9D1A65731041807EA9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_B590D4B7358AF6BEF1FB7310418040C6_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_F4DAE44AF932DF9D1A65731041807EA9" xlink:to="loc_us-gaap_EquityComponentDomain_B590D4B7358AF6BEF1FB7310418040C6_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_B590D4B7358AF6BEF1FB7310418040C6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_F4DAE44AF932DF9D1A65731041807EA9" xlink:to="loc_us-gaap_EquityComponentDomain_B590D4B7358AF6BEF1FB7310418040C6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_CDE42CB7A8CA01AB501D7310418026F1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_B590D4B7358AF6BEF1FB7310418040C6" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_CDE42CB7A8CA01AB501D7310418026F1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:label="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_D964FBEC046A734F576C731041805C1A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_B590D4B7358AF6BEF1FB7310418040C6" xlink:to="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_D964FBEC046A734F576C731041805C1A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_176DEDAAD2E65618B3517310418137DD" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_B590D4B7358AF6BEF1FB7310418040C6" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_176DEDAAD2E65618B3517310418137DD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedTranslationAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_E19D76A08A2EFDBCAACD73104181A61F" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_B590D4B7358AF6BEF1FB7310418040C6" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_E19D76A08A2EFDBCAACD73104181A61F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_A2DB2075CB3C93F224D67310418150B3" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_B590D4B7358AF6BEF1FB7310418040C6" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_A2DB2075CB3C93F224D67310418150B3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AOCIAttributableToParentNetOfTaxRollForward" xlink:label="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_4DF39B09485A0EFED444731041814B33" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_FC087862C470CC3EC253731041819BF6" xlink:to="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_4DF39B09485A0EFED444731041814B33" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_57CECDCF0387EAD9BA45731041813B0D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_4DF39B09485A0EFED444731041814B33" xlink:to="loc_us-gaap_StockholdersEquity_57CECDCF0387EAD9BA45731041813B0D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OciBeforeReclassificationsBeforeTaxAttributableToParent" xlink:label="loc_us-gaap_OciBeforeReclassificationsBeforeTaxAttributableToParent_0DDFC0507A6B829484EB73104181FE53" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_4DF39B09485A0EFED444731041814B33" xlink:to="loc_us-gaap_OciBeforeReclassificationsBeforeTaxAttributableToParent_0DDFC0507A6B829484EB73104181FE53" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent_7D6A51C640A3BD619148731041812F6F" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_4DF39B09485A0EFED444731041814B33" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent_7D6A51C640A3BD619148731041812F6F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1_E5EE9C86737F9A7161F673104181CA77" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_4DF39B09485A0EFED444731041814B33" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1_E5EE9C86737F9A7161F673104181CA77" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_ECF19215F3146AF6C8EB73104181AED6" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_4DF39B09485A0EFED444731041814B33" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_ECF19215F3146AF6C8EB73104181AED6" 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/AcquisitionDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_0DCD97361239F8A02CC7731041DDB6CA" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_65BECEAB34CB6CB5C110731041DDF775" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0DCD97361239F8A02CC7731041DDB6CA" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_65BECEAB34CB6CB5C110731041DDF775" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_574229D843FD66EECEF2731041DD6896" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_65BECEAB34CB6CB5C110731041DDF775" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_574229D843FD66EECEF2731041DD6896" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_99E693C7204DDF625994731041DD8258_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_574229D843FD66EECEF2731041DD6896" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_99E693C7204DDF625994731041DD8258_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_99E693C7204DDF625994731041DD8258" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_574229D843FD66EECEF2731041DD6896" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_99E693C7204DDF625994731041DD8258" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember" xlink:label="loc_us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_7B0F8D03F25E3B59E85A731041DD13F7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_99E693C7204DDF625994731041DD8258" xlink:to="loc_us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_7B0F8D03F25E3B59E85A731041DD13F7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_3AF89EFC8A137E8BB55E731041DDADBE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0DCD97361239F8A02CC7731041DDB6CA" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_3AF89EFC8A137E8BB55E731041DDADBE" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/Acquisitions" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/AcquisitionsSummaryOfFairValueOfAssetsAcquiredAndLiabilitiesAssumedByMajorClassDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_61E2896E4C0D7827825C731041DA4083" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_95D36FBC94915810E049731041D9B843" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_61E2896E4C0D7827825C731041DA4083" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_95D36FBC94915810E049731041D9B843" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_0FD5473D7CA69DCAA64C731041D96677" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_95D36FBC94915810E049731041D9B843" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_0FD5473D7CA69DCAA64C731041D96677" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_CAA1BBB6B23BB044CB64731041DA95BC_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_0FD5473D7CA69DCAA64C731041D96677" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_CAA1BBB6B23BB044CB64731041DA95BC_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_CAA1BBB6B23BB044CB64731041DA95BC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_0FD5473D7CA69DCAA64C731041D96677" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_CAA1BBB6B23BB044CB64731041DA95BC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember" xlink:label="loc_us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_2AED79681A05226CFFD1731041DA5846" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_CAA1BBB6B23BB044CB64731041DA95BC" xlink:to="loc_us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember_2AED79681A05226CFFD1731041DA5846" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_A08A9AC547532795AE42731041DAE162" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_95D36FBC94915810E049731041D9B843" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_A08A9AC547532795AE42731041DAE162" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C2B6E76B27F4B9AEE506731041DA89B1_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_A08A9AC547532795AE42731041DAE162" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C2B6E76B27F4B9AEE506731041DA89B1_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C2B6E76B27F4B9AEE506731041DA89B1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_A08A9AC547532795AE42731041DAE162" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C2B6E76B27F4B9AEE506731041DA89B1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_1D778AFA4AF1ACCF0E71731041DAA584" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C2B6E76B27F4B9AEE506731041DA89B1" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_1D778AFA4AF1ACCF0E71731041DAA584" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_CustomerRelationshipsAndOtherNoncurrentIntangibleAssetsMember" xlink:label="loc_adsk_CustomerRelationshipsAndOtherNoncurrentIntangibleAssetsMember_9C8C6B155085576DDD04731041DABC7F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C2B6E76B27F4B9AEE506731041DA89B1" xlink:to="loc_adsk_CustomerRelationshipsAndOtherNoncurrentIntangibleAssetsMember_9C8C6B155085576DDD04731041DABC7F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="loc_us-gaap_TradeNamesMember_9A76EC987563EE076EA7731041DADA54" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C2B6E76B27F4B9AEE506731041DA89B1" xlink:to="loc_us-gaap_TradeNamesMember_9A76EC987563EE076EA7731041DADA54" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_AC9B2A8C7BC28675E5BD731041DA1F49" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_61E2896E4C0D7827825C731041DA4083" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_AC9B2A8C7BC28675E5BD731041DA1F49" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_754B595D667F49D85C85731041DA8D16" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_61E2896E4C0D7827825C731041DA4083" xlink:to="loc_us-gaap_Goodwill_754B595D667F49D85C85731041DA8D16" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedDeferredRevenue" xlink:label="loc_adsk_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedDeferredRevenue_B7C3038767FF079CD97B731041DA81B5" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_61E2896E4C0D7827825C731041DA4083" xlink:to="loc_adsk_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedDeferredRevenue_B7C3038767FF079CD97B731041DA81B5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent_B7109FC190A41249896D731041DAC6C2" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_61E2896E4C0D7827825C731041DA4083" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent_B7109FC190A41249896D731041DAC6C2" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedNetExcludingIntangibleAssetsAndDeferrals" xlink:label="loc_adsk_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedNetExcludingIntangibleAssetsAndDeferrals_CA9090AD4D97517DB368731041DA3A76" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_61E2896E4C0D7827825C731041DA4083" xlink:to="loc_adsk_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedNetExcludingIntangibleAssetsAndDeferrals_CA9090AD4D97517DB368731041DA3A76" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_4DE6C7CE08735931A2FD731041DA5F37" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_61E2896E4C0D7827825C731041DA4083" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_4DE6C7CE08735931A2FD731041DA5F37" 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/BasisOfPresentationReclassificationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems" xlink:label="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_2CED5447D377525A96D773101DDA17BF" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable" xlink:label="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_69E38A8E31AF3D3E0CD473101DD8110C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_2CED5447D377525A96D773101DDA17BF" xlink:to="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_69E38A8E31AF3D3E0CD473101DD8110C" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_F4E8330AFD6A9A5C544073101DD85E9D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_69E38A8E31AF3D3E0CD473101DD8110C" xlink:to="loc_us-gaap_StatementScenarioAxis_F4E8330AFD6A9A5C544073101DD85E9D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_707B312F877F641FF34173101DD92F04_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_F4E8330AFD6A9A5C544073101DD85E9D" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_707B312F877F641FF34173101DD92F04_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_707B312F877F641FF34173101DD92F04" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_F4E8330AFD6A9A5C544073101DD85E9D" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_707B312F877F641FF34173101DD92F04" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestatementAdjustmentMember" xlink:label="loc_us-gaap_RestatementAdjustmentMember_A7A0CEA91ECDB5FF05AB73101DD9E026" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_707B312F877F641FF34173101DD92F04" xlink:to="loc_us-gaap_RestatementAdjustmentMember_A7A0CEA91ECDB5FF05AB73101DD9E026" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis" xlink:label="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis_FAE3935435B7AFB9739E73101DD9453E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_69E38A8E31AF3D3E0CD473101DD8110C" xlink:to="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis_FAE3935435B7AFB9739E73101DD9453E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AdjustmentsForErrorCorrectionDomain" xlink:label="loc_us-gaap_AdjustmentsForErrorCorrectionDomain_34B0B0DEDF952058C62B73101DD98A36_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis_FAE3935435B7AFB9739E73101DD9453E" xlink:to="loc_us-gaap_AdjustmentsForErrorCorrectionDomain_34B0B0DEDF952058C62B73101DD98A36_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AdjustmentsForErrorCorrectionDomain" xlink:label="loc_us-gaap_AdjustmentsForErrorCorrectionDomain_34B0B0DEDF952058C62B73101DD98A36" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis_FAE3935435B7AFB9739E73101DD9453E" xlink:to="loc_us-gaap_AdjustmentsForErrorCorrectionDomain_34B0B0DEDF952058C62B73101DD98A36" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_EmployeeBenefitsandEstimatedPersonalPropertyLiabilitiesMember" xlink:label="loc_adsk_EmployeeBenefitsandEstimatedPersonalPropertyLiabilitiesMember_E6EE8ACBBBF58E400B2873101DDA4056" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsForErrorCorrectionDomain_34B0B0DEDF952058C62B73101DD98A36" xlink:to="loc_adsk_EmployeeBenefitsandEstimatedPersonalPropertyLiabilitiesMember_E6EE8ACBBBF58E400B2873101DDA4056" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_B7180CC13AE53B5A027973101DDBE675" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_2CED5447D377525A96D773101DDA17BF" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_B7180CC13AE53B5A027973101DDBE675" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_4915E62A49AE3F2B152A73101DDB35DE" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_2CED5447D377525A96D773101DDA17BF" xlink:to="loc_us-gaap_OperatingExpenses_4915E62A49AE3F2B152A73101DDB35DE" xlink:type="arc" />
  </link:definitionLink>
  <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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_4D8E184363E20DC3973C731041BC067B" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_35D6BE3FF23483EBA550731041BCA2BF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4D8E184363E20DC3973C731041BC067B" xlink:to="loc_us-gaap_DebtInstrumentTable_35D6BE3FF23483EBA550731041BCA2BF" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_1EEDCD06BA7E3F627D00731041BCBCD3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_35D6BE3FF23483EBA550731041BCA2BF" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_1EEDCD06BA7E3F627D00731041BCBCD3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_44A847C19B13C8A7F311731041BCB14B_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_1EEDCD06BA7E3F627D00731041BCBCD3" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_44A847C19B13C8A7F311731041BCB14B_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_44A847C19B13C8A7F311731041BCB14B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_1EEDCD06BA7E3F627D00731041BCBCD3" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_44A847C19B13C8A7F311731041BCB14B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SeniorNotesMember" xlink:label="loc_us-gaap_SeniorNotesMember_9A201CC04BCDDA52A4D5731041BC3A05" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_44A847C19B13C8A7F311731041BCB14B" xlink:to="loc_us-gaap_SeniorNotesMember_9A201CC04BCDDA52A4D5731041BC3A05" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_EE78260A6E6F8C49AA6D731041BC384F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_35D6BE3FF23483EBA550731041BCA2BF" xlink:to="loc_us-gaap_DebtInstrumentAxis_EE78260A6E6F8C49AA6D731041BC384F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_272A976082F61066670D731041BCBA31_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_EE78260A6E6F8C49AA6D731041BC384F" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_272A976082F61066670D731041BCBA31_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_272A976082F61066670D731041BCBA31" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_EE78260A6E6F8C49AA6D731041BC384F" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_272A976082F61066670D731041BCBA31" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_SeniorNotesdue2020Member" xlink:label="loc_adsk_SeniorNotesdue2020Member_65F1A84C8B6D33F4282D731041BC0C29" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_272A976082F61066670D731041BCBA31" xlink:to="loc_adsk_SeniorNotesdue2020Member_65F1A84C8B6D33F4282D731041BC0C29" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_SeniorNotesdue2025Member" xlink:label="loc_adsk_SeniorNotesdue2025Member_361BE0082196E0B5EACF731041BC940C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_272A976082F61066670D731041BCBA31" xlink:to="loc_adsk_SeniorNotesdue2025Member_361BE0082196E0B5EACF731041BC940C" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_A2015SeniorNotesMember" xlink:label="loc_adsk_A2015SeniorNotesMember_A346B521F89CC900A92A731041BCF0DD" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_272A976082F61066670D731041BCBA31" xlink:to="loc_adsk_A2015SeniorNotesMember_A346B521F89CC900A92A731041BCF0DD" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_SeniorNotesdue2017Member" xlink:label="loc_adsk_SeniorNotesdue2017Member_FF08242CC5DD0394006E731041BC5BD7" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_272A976082F61066670D731041BCBA31" xlink:to="loc_adsk_SeniorNotesdue2017Member_FF08242CC5DD0394006E731041BC5BD7" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_SeniorNotesdue2022Member" xlink:label="loc_adsk_SeniorNotesdue2022Member_098D325FECA00DEF66CB731041BC49E3" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_272A976082F61066670D731041BCBA31" xlink:to="loc_adsk_SeniorNotesdue2022Member_098D325FECA00DEF66CB731041BC49E3" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_A2012SeniorNotesMember" xlink:label="loc_adsk_A2012SeniorNotesMember_1152E5740576F0298265731041BCE170" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_272A976082F61066670D731041BCBA31" xlink:to="loc_adsk_A2012SeniorNotesMember_1152E5740576F0298265731041BCE170" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_108844B92AA6FDC86FBD731041BC83F0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4D8E184363E20DC3973C731041BC067B" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_108844B92AA6FDC86FBD731041BC83F0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_AEF2FC77C8C36040B5F1731041BD64C3" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4D8E184363E20DC3973C731041BC067B" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_AEF2FC77C8C36040B5F1731041BD64C3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscount" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_18E11031672ACB244171731041BDA4CE" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4D8E184363E20DC3973C731041BC067B" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_18E11031672ACB244171731041BDA4CE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredFinanceCostsGross" xlink:label="loc_us-gaap_DeferredFinanceCostsGross_D9E69D11B507E4B52011731041BD6D5B" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4D8E184363E20DC3973C731041BC067B" xlink:to="loc_us-gaap_DeferredFinanceCostsGross_D9E69D11B507E4B52011731041BD6D5B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromDebtNetOfIssuanceCosts" xlink:label="loc_us-gaap_ProceedsFromDebtNetOfIssuanceCosts_18D465DBD177DCEBF313731041BD15B9" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4D8E184363E20DC3973C731041BC067B" xlink:to="loc_us-gaap_ProceedsFromDebtNetOfIssuanceCosts_18D465DBD177DCEBF313731041BD15B9" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_DebtIssuanceRedemptionDiscountPremiumPercentageOfPrincipalAmount" xlink:label="loc_adsk_DebtIssuanceRedemptionDiscountPremiumPercentageOfPrincipalAmount_0D92AE9CB791D8EC7ED2731041BD0E0F" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4D8E184363E20DC3973C731041BC067B" xlink:to="loc_adsk_DebtIssuanceRedemptionDiscountPremiumPercentageOfPrincipalAmount_0D92AE9CB791D8EC7ED2731041BD0E0F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentFairValue" xlink:label="loc_us-gaap_DebtInstrumentFairValue_3EE15309A326CD110A67731041BDFAE9" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4D8E184363E20DC3973C731041BC067B" xlink:to="loc_us-gaap_DebtInstrumentFairValue_3EE15309A326CD110A67731041BDFAE9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_0C709B114BB8A05A9E6B731041BDF459" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4D8E184363E20DC3973C731041BC067B" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_0C709B114BB8A05A9E6B731041BDF459" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_LineOfCreditFacilityAdditionalBorrowingsAvailable" xlink:label="loc_adsk_LineOfCreditFacilityAdditionalBorrowingsAvailable_EE2E60F11B823E8DA88A731041BDABA7" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4D8E184363E20DC3973C731041BC067B" xlink:to="loc_adsk_LineOfCreditFacilityAdditionalBorrowingsAvailable_EE2E60F11B823E8DA88A731041BDABA7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1" xlink:label="loc_us-gaap_LineOfCreditFacilityExpirationDate1_731CAABF19BD2A5D1C2C731041BDC553" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4D8E184363E20DC3973C731041BC067B" xlink:to="loc_us-gaap_LineOfCreditFacilityExpirationDate1_731CAABF19BD2A5D1C2C731041BDC553" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_0392CCC539EC6E98E199731041BD1C29" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4D8E184363E20DC3973C731041BC067B" xlink:to="loc_us-gaap_LineOfCredit_0392CCC539EC6E98E199731041BD1C29" 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/CommonStockRepurchaseProgram" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/CommonStockRepurchaseProgramAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityClassOfTreasuryStockLineItems" xlink:label="loc_us-gaap_EquityClassOfTreasuryStockLineItems_6DD9C6F6E49650320E2BABD53E911BDD" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfTreasuryStockTable" xlink:label="loc_us-gaap_ClassOfTreasuryStockTable_E9998E2688AD07C11900ABD53E8B8F1F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_6DD9C6F6E49650320E2BABD53E911BDD" xlink:to="loc_us-gaap_ClassOfTreasuryStockTable_E9998E2688AD07C11900ABD53E8B8F1F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareRepurchaseProgramAxis" xlink:label="loc_us-gaap_ShareRepurchaseProgramAxis_FA3A6DC02A9042FDC603ABD53E8C6A39" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ClassOfTreasuryStockTable_E9998E2688AD07C11900ABD53E8B8F1F" xlink:to="loc_us-gaap_ShareRepurchaseProgramAxis_FA3A6DC02A9042FDC603ABD53E8C6A39" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_52EA79559EFF9531E127ABD53E91D8B4_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_FA3A6DC02A9042FDC603ABD53E8C6A39" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_52EA79559EFF9531E127ABD53E91D8B4_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_52EA79559EFF9531E127ABD53E91D8B4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_FA3A6DC02A9042FDC603ABD53E8C6A39" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_52EA79559EFF9531E127ABD53E91D8B4" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_CommonStockRepurchaseProgramMember" xlink:label="loc_adsk_CommonStockRepurchaseProgramMember_3009265D8E2769E40AA3ABD53E9188E6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_52EA79559EFF9531E127ABD53E91D8B4" xlink:to="loc_adsk_CommonStockRepurchaseProgramMember_3009265D8E2769E40AA3ABD53E9188E6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_762CE559D9D823A2BBA1ABD53E918691" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ClassOfTreasuryStockTable_E9998E2688AD07C11900ABD53E8B8F1F" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_762CE559D9D823A2BBA1ABD53E918691" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_C0E3CB8CBDC9C93B2EC6ABD53E915C3A_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_762CE559D9D823A2BBA1ABD53E918691" xlink:to="loc_us-gaap_EquityComponentDomain_C0E3CB8CBDC9C93B2EC6ABD53E915C3A_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_C0E3CB8CBDC9C93B2EC6ABD53E915C3A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_762CE559D9D823A2BBA1ABD53E918691" xlink:to="loc_us-gaap_EquityComponentDomain_C0E3CB8CBDC9C93B2EC6ABD53E915C3A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_E20C97659A55D0076216ABD53E910EEB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_C0E3CB8CBDC9C93B2EC6ABD53E915C3A" xlink:to="loc_us-gaap_CommonStockMember_E20C97659A55D0076216ABD53E910EEB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_B935CF1A452AE6AEA26BABD53E913EFC" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_C0E3CB8CBDC9C93B2EC6ABD53E915C3A" xlink:to="loc_us-gaap_RetainedEarningsMember_B935CF1A452AE6AEA26BABD53E913EFC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_F0EE38C600CAD190CD71ABD53E915EBD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_6DD9C6F6E49650320E2BABD53E911BDD" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_F0EE38C600CAD190CD71ABD53E915EBD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TreasuryStockAcquiredAverageCostPerShare" xlink:label="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_2707CEDB34BA8B01E14DABD53E913A91" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_6DD9C6F6E49650320E2BABD53E911BDD" xlink:to="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_2707CEDB34BA8B01E14DABD53E913A91" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodValue" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_C5A571B0289806DB6037ABD53E914FB3" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_6DD9C6F6E49650320E2BABD53E911BDD" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_C5A571B0289806DB6037ABD53E914FB3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased_6359FE4B30C34A7646CDABD53E91A68C" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_6DD9C6F6E49650320E2BABD53E911BDD" xlink:to="loc_us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased_6359FE4B30C34A7646CDABD53E91A68C" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_StockRepurchaseProgramIncreaseDecreaseinSharesAuthorized" xlink:label="loc_adsk_StockRepurchaseProgramIncreaseDecreaseinSharesAuthorized_C865703FEA6211937F54ABD53E91EE94" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_6DD9C6F6E49650320E2BABD53E911BDD" xlink:to="loc_adsk_StockRepurchaseProgramIncreaseDecreaseinSharesAuthorized_C865703FEA6211937F54ABD53E91EE94" xlink:type="arc" />
  </link:definitionLink>
  <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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_F45190C6225981ED2E9E731041C2000D" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_EA7726E35F19A8B72EA9731041C26166" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_F45190C6225981ED2E9E731041C2000D" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_EA7726E35F19A8B72EA9731041C26166" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_D663DA0218DC410D4084731041C2BD99" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_EA7726E35F19A8B72EA9731041C26166" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_D663DA0218DC410D4084731041C2BD99" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_755E61A520D09DC79DB0731041C299D6_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_D663DA0218DC410D4084731041C2BD99" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_755E61A520D09DC79DB0731041C299D6_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_755E61A520D09DC79DB0731041C299D6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_D663DA0218DC410D4084731041C2BD99" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_755E61A520D09DC79DB0731041C299D6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ComputerEquipmentMember" xlink:label="loc_us-gaap_ComputerEquipmentMember_13F7DC44C1B91B8F742D731041C2E7AF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_755E61A520D09DC79DB0731041C299D6" xlink:to="loc_us-gaap_ComputerEquipmentMember_13F7DC44C1B91B8F742D731041C2E7AF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SoftwareDevelopmentMember" xlink:label="loc_us-gaap_SoftwareDevelopmentMember_CEE4AF561E616B419107731041C29CA5" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_755E61A520D09DC79DB0731041C299D6" xlink:to="loc_us-gaap_SoftwareDevelopmentMember_CEE4AF561E616B419107731041C29CA5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LandBuildingsAndImprovementsMember" xlink:label="loc_us-gaap_LandBuildingsAndImprovementsMember_EEDD909C0C867B5F9433731041C2441D" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_755E61A520D09DC79DB0731041C299D6" xlink:to="loc_us-gaap_LandBuildingsAndImprovementsMember_EEDD909C0C867B5F9433731041C2441D" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_FurnitureandEquipmentMember" xlink:label="loc_adsk_FurnitureandEquipmentMember_24259379E14DE9FAE8CF731041C2A75C" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_755E61A520D09DC79DB0731041C299D6" xlink:to="loc_adsk_FurnitureandEquipmentMember_24259379E14DE9FAE8CF731041C2A75C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_AE032CD049118AE9504F731041C24A8D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_F45190C6225981ED2E9E731041C2000D" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_AE032CD049118AE9504F731041C24A8D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_7343724CF42E9F24E7F5731041C2D477" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_F45190C6225981ED2E9E731041C2000D" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_7343724CF42E9F24E7F5731041C2D477" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_B6112B08A2A0304CA5DE731041C2E1B8" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_F45190C6225981ED2E9E731041C2000D" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_B6112B08A2A0304CA5DE731041C2E1B8" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskLineItems" xlink:label="loc_us-gaap_ConcentrationRiskLineItems_75F106FE5894BF06D2A2ABD53FD25E47" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskTable" xlink:label="loc_us-gaap_ConcentrationRiskTable_498C5D57868411A24BE8ABD53FD2777E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_75F106FE5894BF06D2A2ABD53FD25E47" xlink:to="loc_us-gaap_ConcentrationRiskTable_498C5D57868411A24BE8ABD53FD2777E" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MajorCustomersAxis" xlink:label="loc_us-gaap_MajorCustomersAxis_9326D48464EE165E02B9ABD53FD257A0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_498C5D57868411A24BE8ABD53FD2777E" xlink:to="loc_us-gaap_MajorCustomersAxis_9326D48464EE165E02B9ABD53FD257A0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="loc_us-gaap_NameOfMajorCustomerDomain_8F5FCDBA2563007EF1DFABD53FD231D3_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MajorCustomersAxis_9326D48464EE165E02B9ABD53FD257A0" xlink:to="loc_us-gaap_NameOfMajorCustomerDomain_8F5FCDBA2563007EF1DFABD53FD231D3_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="loc_us-gaap_NameOfMajorCustomerDomain_8F5FCDBA2563007EF1DFABD53FD231D3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MajorCustomersAxis_9326D48464EE165E02B9ABD53FD257A0" xlink:to="loc_us-gaap_NameOfMajorCustomerDomain_8F5FCDBA2563007EF1DFABD53FD231D3" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_TechDataMember" xlink:label="loc_adsk_TechDataMember_29EAA053F6E82EDF0D72ABD53FD2D58A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NameOfMajorCustomerDomain_8F5FCDBA2563007EF1DFABD53FD231D3" xlink:to="loc_adsk_TechDataMember_29EAA053F6E82EDF0D72ABD53FD2D58A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_5EAC70DED97504AE8D39ABD53FD2456E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_498C5D57868411A24BE8ABD53FD2777E" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_5EAC70DED97504AE8D39ABD53FD2456E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_94EA0B1349D4778C13E5ABD53FD2BD84_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_5EAC70DED97504AE8D39ABD53FD2456E" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_94EA0B1349D4778C13E5ABD53FD2BD84_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_94EA0B1349D4778C13E5ABD53FD2BD84" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_5EAC70DED97504AE8D39ABD53FD2456E" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_94EA0B1349D4778C13E5ABD53FD2BD84" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SalesRevenueNetMember" xlink:label="loc_us-gaap_SalesRevenueNetMember_7DC96DFF01A8E4832661ABD53FD23EB5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_94EA0B1349D4778C13E5ABD53FD2BD84" xlink:to="loc_us-gaap_SalesRevenueNetMember_7DC96DFF01A8E4832661ABD53FD23EB5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountsReceivableMember" xlink:label="loc_us-gaap_AccountsReceivableMember_981DB7BFE18F89C93A42ABD53FD2F7E5" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_94EA0B1349D4778C13E5ABD53FD2BD84" xlink:to="loc_us-gaap_AccountsReceivableMember_981DB7BFE18F89C93A42ABD53FD2F7E5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_A7B4D49717185C60E9E0ABD53FD2EEFF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_75F106FE5894BF06D2A2ABD53FD25E47" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_A7B4D49717185C60E9E0ABD53FD2EEFF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_F9F575AE38D262F386A4ABD53FD2CF06" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_75F106FE5894BF06D2A2ABD53FD25E47" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_F9F575AE38D262F386A4ABD53FD2CF06" 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: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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_8D11D8D118B49B7E5053731041C8E7C4" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable" xlink:label="loc_us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable_69A171BE7008EF426C11731041C82DAE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_8D11D8D118B49B7E5053731041C8E7C4" xlink:to="loc_us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable_69A171BE7008EF426C11731041C82DAE" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAxis" xlink:label="loc_adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAxis_8CF21E27887BA74F0DFC731041C8A1B6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable_69A171BE7008EF426C11731041C82DAE" xlink:to="loc_adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAxis_8CF21E27887BA74F0DFC731041C8A1B6" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDomain" xlink:label="loc_adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDomain_E6AF065852EB2B531C05731041C885FA_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAxis_8CF21E27887BA74F0DFC731041C8A1B6" xlink:to="loc_adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDomain_E6AF065852EB2B531C05731041C885FA_default" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDomain" xlink:label="loc_adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDomain_E6AF065852EB2B531C05731041C885FA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAxis_8CF21E27887BA74F0DFC731041C8A1B6" xlink:to="loc_adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDomain_E6AF065852EB2B531C05731041C885FA" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_RabbiTrustMember" xlink:label="loc_adsk_RabbiTrustMember_44F258146024CB07A61E731041C8B665" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adsk_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisDomain_E6AF065852EB2B531C05731041C885FA" xlink:to="loc_adsk_RabbiTrustMember_44F258146024CB07A61E731041C8B665" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MarketableSecurities" xlink:label="loc_us-gaap_MarketableSecurities_6F1F1671908D2CD5C6E5731041C8964D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_8D11D8D118B49B7E5053731041C8E7C4" xlink:to="loc_us-gaap_MarketableSecurities_6F1F1671908D2CD5C6E5731041C8964D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent" xlink:label="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_2CE353905D0EC240FC93731041C88A9B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_8D11D8D118B49B7E5053731041C8E7C4" xlink:to="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_2CE353905D0EC240FC93731041C88A9B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredCompensationLiabilityCurrent" xlink:label="loc_us-gaap_DeferredCompensationLiabilityCurrent_958F70758DF6349078DA731041C8DD74" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_8D11D8D118B49B7E5053731041C8E7C4" xlink:to="loc_us-gaap_DeferredCompensationLiabilityCurrent_958F70758DF6349078DA731041C8DD74" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent" xlink:label="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_C487DA03535294E31643731041C808A1" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_8D11D8D118B49B7E5053731041C8E7C4" xlink:to="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_C487DA03535294E31643731041C808A1" 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/FinancialInstrumentsAvailableForSaleSecuritiesGainLossActivityDetails" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_BF5C89862CAF4E3A58CDABD53FC6AE53" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_BF5C89862CAF4E3A58CDABD53FC6AE53" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_0F8E8B373EA63B723DF1ABD53FC6D5A6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_BF5C89862CAF4E3A58CDABD53FC6AE53" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_0F8E8B373EA63B723DF1ABD53FC6D5A6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_35C5BDDBAAE2D1F7FFBEABD53FC69DAA_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_0F8E8B373EA63B723DF1ABD53FC6D5A6" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_35C5BDDBAAE2D1F7FFBEABD53FC69DAA_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_35C5BDDBAAE2D1F7FFBEABD53FC69DAA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_0F8E8B373EA63B723DF1ABD53FC6D5A6" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_35C5BDDBAAE2D1F7FFBEABD53FC69DAA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_39A297046484FFFD4296ABD53FC7D675" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_35C5BDDBAAE2D1F7FFBEABD53FC69DAA" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_39A297046484FFFD4296ABD53FC7D675" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_BADE0F8CF79C8EFC7BC3ABD53FC7FB4F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_35C5BDDBAAE2D1F7FFBEABD53FC69DAA" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_BADE0F8CF79C8EFC7BC3ABD53FC7FB4F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_2732D7EFBB46FE6AD1CFABD53FC7F36B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_35C5BDDBAAE2D1F7FFBEABD53FC69DAA" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_2732D7EFBB46FE6AD1CFABD53FC7F36B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsAxis" xlink:label="loc_us-gaap_CashAndCashEquivalentsAxis_8DE6E4469C3E1F052666ABD53FC7F337" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_BF5C89862CAF4E3A58CDABD53FC6AE53" xlink:to="loc_us-gaap_CashAndCashEquivalentsAxis_8DE6E4469C3E1F052666ABD53FC7F337" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_E8F0829F700C86DE556CABD53FC71424_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_8DE6E4469C3E1F052666ABD53FC7F337" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_E8F0829F700C86DE556CABD53FC71424_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_E8F0829F700C86DE556CABD53FC71424" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_8DE6E4469C3E1F052666ABD53FC7F337" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_E8F0829F700C86DE556CABD53FC71424" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_AgencyBondsMember" xlink:label="loc_adsk_AgencyBondsMember_0266EC65536DA3D5AB9AABD53FC7DBE4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_E8F0829F700C86DE556CABD53FC71424" xlink:to="loc_adsk_AgencyBondsMember_0266EC65536DA3D5AB9AABD53FC7DBE4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CertificatesOfDepositMember" xlink:label="loc_us-gaap_CertificatesOfDepositMember_0D906D586B4B4C944403ABD53FC73CCF" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_E8F0829F700C86DE556CABD53FC71424" xlink:to="loc_us-gaap_CertificatesOfDepositMember_0D906D586B4B4C944403ABD53FC73CCF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommercialPaperMember" xlink:label="loc_us-gaap_CommercialPaperMember_A605F8773F92C6E57E29ABD53FC7CB89" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_E8F0829F700C86DE556CABD53FC71424" xlink:to="loc_us-gaap_CommercialPaperMember_A605F8773F92C6E57E29ABD53FC7CB89" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CorporateBondSecuritiesMember" xlink:label="loc_us-gaap_CorporateBondSecuritiesMember_E1B6245A7F4D4024B80DABD53FC7BC27" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_E8F0829F700C86DE556CABD53FC71424" xlink:to="loc_us-gaap_CorporateBondSecuritiesMember_E1B6245A7F4D4024B80DABD53FC7BC27" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DepositsMember" xlink:label="loc_us-gaap_DepositsMember_F8F1A53BEE9925380FF9ABD53FC7A3B8" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_E8F0829F700C86DE556CABD53FC71424" xlink:to="loc_us-gaap_DepositsMember_F8F1A53BEE9925380FF9ABD53FC7A3B8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MoneyMarketFundsMember" xlink:label="loc_us-gaap_MoneyMarketFundsMember_9D85BDEF9FB23BC1CEE5ABD53FC75627" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_E8F0829F700C86DE556CABD53FC71424" xlink:to="loc_us-gaap_MoneyMarketFundsMember_9D85BDEF9FB23BC1CEE5ABD53FC75627" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MunicipalBondsMember" xlink:label="loc_us-gaap_MunicipalBondsMember_15BF5DD9E4D153F58F1AABD53FC7A0F8" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_E8F0829F700C86DE556CABD53FC71424" xlink:to="loc_us-gaap_MunicipalBondsMember_15BF5DD9E4D153F58F1AABD53FC7A0F8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_4D7BBE8B73AD50A2948BABD53FC760E0" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_E8F0829F700C86DE556CABD53FC71424" xlink:to="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_4D7BBE8B73AD50A2948BABD53FC760E0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_05270994079292073AD5ABD53FC74FBE" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_BF5C89862CAF4E3A58CDABD53FC6AE53" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_05270994079292073AD5ABD53FC74FBE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_44F7E48AC18214124249ABD53FC75CE6_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_05270994079292073AD5ABD53FC74FBE" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_44F7E48AC18214124249ABD53FC75CE6_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_44F7E48AC18214124249ABD53FC75CE6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_05270994079292073AD5ABD53FC74FBE" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_44F7E48AC18214124249ABD53FC75CE6" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_MarketableSecuritiesCurrentMember" xlink:label="loc_adsk_MarketableSecuritiesCurrentMember_4E2E25476D26839CF4CFABD53FC7D359" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_44F7E48AC18214124249ABD53FC75CE6" xlink:to="loc_adsk_MarketableSecuritiesCurrentMember_4E2E25476D26839CF4CFABD53FC7D359" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_MarketableSecuritiesNoncurrentMember" xlink:label="loc_adsk_MarketableSecuritiesNoncurrentMember_A8FD797E131CECE32A80ABD53FC80E7E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_44F7E48AC18214124249ABD53FC75CE6" xlink:to="loc_adsk_MarketableSecuritiesNoncurrentMember_A8FD797E131CECE32A80ABD53FC80E7E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherAssetsMember" xlink:label="loc_us-gaap_OtherAssetsMember_D5D165F519B0AFF457B9ABD53FC8B085" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_44F7E48AC18214124249ABD53FC75CE6" xlink:to="loc_us-gaap_OtherAssetsMember_D5D165F519B0AFF457B9ABD53FC8B085" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_FDE480CDE9B912071FF3ABD53FC836FC" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_BF5C89862CAF4E3A58CDABD53FC6AE53" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_FDE480CDE9B912071FF3ABD53FC836FC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_8D3569AEE5F5F155E563ABD53FC8195C_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_FDE480CDE9B912071FF3ABD53FC836FC" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_8D3569AEE5F5F155E563ABD53FC8195C_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_8D3569AEE5F5F155E563ABD53FC8195C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_FDE480CDE9B912071FF3ABD53FC836FC" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_8D3569AEE5F5F155E563ABD53FC8195C" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_AgencyBondsMember" xlink:label="loc_adsk_AgencyBondsMember_FCB6E36829C9C84CB6A9ABD53FC8F24E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_8D3569AEE5F5F155E563ABD53FC8195C" xlink:to="loc_adsk_AgencyBondsMember_FCB6E36829C9C84CB6A9ABD53FC8F24E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AssetBackedSecuritiesMember" xlink:label="loc_us-gaap_AssetBackedSecuritiesMember_DC27F6CF18A4776964D4ABD53FC8B207" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_8D3569AEE5F5F155E563ABD53FC8195C" xlink:to="loc_us-gaap_AssetBackedSecuritiesMember_DC27F6CF18A4776964D4ABD53FC8B207" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CertificatesOfDepositMember" xlink:label="loc_us-gaap_CertificatesOfDepositMember_A9C23D260289DC01A302ABD53FC83A2B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_8D3569AEE5F5F155E563ABD53FC8195C" xlink:to="loc_us-gaap_CertificatesOfDepositMember_A9C23D260289DC01A302ABD53FC83A2B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommercialPaperMember" xlink:label="loc_us-gaap_CommercialPaperMember_BEF8BC458ADE86C37182ABD53FC8029C" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_8D3569AEE5F5F155E563ABD53FC8195C" xlink:to="loc_us-gaap_CommercialPaperMember_BEF8BC458ADE86C37182ABD53FC8029C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CorporateBondSecuritiesMember" xlink:label="loc_us-gaap_CorporateBondSecuritiesMember_5CDF0BBEFF97EDC2ED3EABD53FC882EA" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_8D3569AEE5F5F155E563ABD53FC8195C" xlink:to="loc_us-gaap_CorporateBondSecuritiesMember_5CDF0BBEFF97EDC2ED3EABD53FC882EA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_4AC0CF7E9771508787CFABD53FC884F2" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_8D3569AEE5F5F155E563ABD53FC8195C" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_4AC0CF7E9771508787CFABD53FC884F2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MunicipalBondsMember" xlink:label="loc_us-gaap_MunicipalBondsMember_E1AC3BF459E0F13E322FABD53FC893E1" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_8D3569AEE5F5F155E563ABD53FC8195C" xlink:to="loc_us-gaap_MunicipalBondsMember_E1AC3BF459E0F13E322FABD53FC893E1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SovereignDebtMember" xlink:label="loc_us-gaap_SovereignDebtMember_39FA97B16B188B7CC2EAABD53FC85B7F" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_8D3569AEE5F5F155E563ABD53FC8195C" xlink:to="loc_us-gaap_SovereignDebtMember_39FA97B16B188B7CC2EAABD53FC85B7F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_FEBEC00DE53B6DAC6909ABD53FC8A122" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_8D3569AEE5F5F155E563ABD53FC8195C" xlink:to="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_FEBEC00DE53B6DAC6909ABD53FC8A122" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_2C6AFBA681F50454E323ABD53FC9A215" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_2C6AFBA681F50454E323ABD53FC9A215" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_94F853EACEFD463B833DABD53FC98059" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_94F853EACEFD463B833DABD53FC98059" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost_509953D16C165A543394ABD53FC9F683" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost_509953D16C165A543394ABD53FC9F683" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_EC26C280E249C1BCB3EBABD53FC9F8D5" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_EC26C280E249C1BCB3EBABD53FC9F8D5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_AB63B4E847F6DD8CFF6EABD53FC9F7AB" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_AB63B4E847F6DD8CFF6EABD53FC9F7AB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecurities_8C508A87AF5499356F42ABD53FC9E105" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:to="loc_us-gaap_AvailableForSaleSecurities_8C508A87AF5499356F42ABD53FC9E105" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TradingSecuritiesCost" xlink:label="loc_us-gaap_TradingSecuritiesCost_CC4E423B942BB0B53A1FABD53FC9B7BA" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:to="loc_us-gaap_TradingSecuritiesCost_CC4E423B942BB0B53A1FABD53FC9B7BA" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_TradingSecuritiesAccumulatedGrossUnrealizedGainbeforeTax" xlink:label="loc_adsk_TradingSecuritiesAccumulatedGrossUnrealizedGainbeforeTax_E583A515AF62AAE361DBABD53FC90264" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:to="loc_adsk_TradingSecuritiesAccumulatedGrossUnrealizedGainbeforeTax_E583A515AF62AAE361DBABD53FC90264" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_TradingSecuritiesAccumulatedGrossUnrealizedLossbeforeTax" xlink:label="loc_adsk_TradingSecuritiesAccumulatedGrossUnrealizedLossbeforeTax_3CE5310A8EB8D204DC45ABD53FC9B6D7" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:to="loc_adsk_TradingSecuritiesAccumulatedGrossUnrealizedLossbeforeTax_3CE5310A8EB8D204DC45ABD53FC9B6D7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TradingSecurities" xlink:label="loc_us-gaap_TradingSecurities_2B6C431F736AFC3FD4ACABD53FC9BE1F" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:to="loc_us-gaap_TradingSecurities_2B6C431F736AFC3FD4ACABD53FC9BE1F" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_ConvertibleDebtSecuritiesAmortizedCost" xlink:label="loc_adsk_ConvertibleDebtSecuritiesAmortizedCost_167479F2450F28896619ABD53FC95C0C" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:to="loc_adsk_ConvertibleDebtSecuritiesAmortizedCost_167479F2450F28896619ABD53FC95C0C" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_ConvertibleDebtSecuritiesUnrealizedGains" xlink:label="loc_adsk_ConvertibleDebtSecuritiesUnrealizedGains_6383CC32DBDF10571E68ABD53FC966CC" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:to="loc_adsk_ConvertibleDebtSecuritiesUnrealizedGains_6383CC32DBDF10571E68ABD53FC966CC" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_ConvertibleDebtSecuritiesUnrealizedLosses" xlink:label="loc_adsk_ConvertibleDebtSecuritiesUnrealizedLosses_B15100097EE289FDB383ABD53FC9CF9D" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:to="loc_adsk_ConvertibleDebtSecuritiesUnrealizedLosses_B15100097EE289FDB383ABD53FC9CF9D" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_ConvertibleDebtSecuritiesFairValueDisclosure" xlink:label="loc_adsk_ConvertibleDebtSecuritiesFairValueDisclosure_FBB537D558E8BB7669F2ABD53FC9C05B" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:to="loc_adsk_ConvertibleDebtSecuritiesFairValueDisclosure_FBB537D558E8BB7669F2ABD53FC9C05B" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_DerivativeInstrumentsAndHedgesNet" xlink:label="loc_adsk_DerivativeInstrumentsAndHedgesNet_B52FA083FFAA9D26FD53ABD53FC9FDCA" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:to="loc_adsk_DerivativeInstrumentsAndHedgesNet_B52FA083FFAA9D26FD53ABD53FC9FDCA" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_DerivativeAssetsAccumulatedGrossUnrealizedGainbeforeTax" xlink:label="loc_adsk_DerivativeAssetsAccumulatedGrossUnrealizedGainbeforeTax_29584C8B19E5385E950DABD53FC9C225" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:to="loc_adsk_DerivativeAssetsAccumulatedGrossUnrealizedGainbeforeTax_29584C8B19E5385E950DABD53FC9C225" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_DerivativeAssetsAccumulatedGrossUnrealizedLossbeforeTax" xlink:label="loc_adsk_DerivativeAssetsAccumulatedGrossUnrealizedLossbeforeTax_C37C2151C36E7EA56BF0ABD53FC95B0C" xlink:type="locator" />
    <link:definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:to="loc_adsk_DerivativeAssetsAccumulatedGrossUnrealizedLossbeforeTax_C37C2151C36E7EA56BF0ABD53FC95B0C" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_DerivativeContractsFairValueDisclosure" xlink:label="loc_adsk_DerivativeContractsFairValueDisclosure_E426CE6BD6CC5F65DB5EABD53FC90783" xlink:type="locator" />
    <link:definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:to="loc_adsk_DerivativeContractsFairValueDisclosure_E426CE6BD6CC5F65DB5EABD53FC90783" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_AmortizedCostSecurities" xlink:label="loc_adsk_AmortizedCostSecurities_DB2E3CA64EF979C89402ABD53FC99CF9" xlink:type="locator" />
    <link:definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:to="loc_adsk_AmortizedCostSecurities_DB2E3CA64EF979C89402ABD53FC99CF9" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_InvestmentsAccumulatedGrossUnrealizedGainbeforeTax" xlink:label="loc_adsk_InvestmentsAccumulatedGrossUnrealizedGainbeforeTax_79327CF7CE25076FA5C4ABD53FCAB68B" xlink:type="locator" />
    <link:definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:to="loc_adsk_InvestmentsAccumulatedGrossUnrealizedGainbeforeTax_79327CF7CE25076FA5C4ABD53FCAB68B" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_InvestmentsAccumulatedGrossUnrealizedLossbeforeTax" xlink:label="loc_adsk_InvestmentsAccumulatedGrossUnrealizedLossbeforeTax_A95332B3633DC6FBAB2EABD53FCAD22B" xlink:type="locator" />
    <link:definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:to="loc_adsk_InvestmentsAccumulatedGrossUnrealizedLossbeforeTax_A95332B3633DC6FBAB2EABD53FCAD22B" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_FairValueAssetsMeasuredOnRecurringBasis" xlink:label="loc_adsk_FairValueAssetsMeasuredOnRecurringBasis_91B4CE013043049D6F3FABD53FCA0A3D" xlink:type="locator" />
    <link:definitionArc order="22" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_823453D438F9A4D47080ABD53FC89CC9" xlink:to="loc_adsk_FairValueAssetsMeasuredOnRecurringBasis_91B4CE013043049D6F3FABD53FCA0A3D" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_1A61A954B7DA19CBA4C17310424B0A0C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_70369489DA9920BF65787310424AFFD3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_1A61A954B7DA19CBA4C17310424B0A0C" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_70369489DA9920BF65787310424AFFD3" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_1F0D633776E87F063C937310424AA662" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_70369489DA9920BF65787310424AFFD3" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_1F0D633776E87F063C937310424AA662" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_D071FFD481A76C30EAD67310424A85F1_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_1F0D633776E87F063C937310424AA662" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_D071FFD481A76C30EAD67310424A85F1_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_D071FFD481A76C30EAD67310424A85F1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_1F0D633776E87F063C937310424AA662" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_D071FFD481A76C30EAD67310424A85F1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_25D4D27CFBC4332538B17310424AC813" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_D071FFD481A76C30EAD67310424A85F1" xlink:to="loc_us-gaap_ForeignExchangeContractMember_25D4D27CFBC4332538B17310424AC813" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_2C6D83580B6AFAE65A1F7310424A7C9F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_70369489DA9920BF65787310424AFFD3" xlink:to="loc_us-gaap_HedgingDesignationAxis_2C6D83580B6AFAE65A1F7310424A7C9F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_75C9DFD55F91FCFB6C737310424A2EF3_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_2C6D83580B6AFAE65A1F7310424A7C9F" xlink:to="loc_us-gaap_HedgingDesignationDomain_75C9DFD55F91FCFB6C737310424A2EF3_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_75C9DFD55F91FCFB6C737310424A2EF3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_2C6D83580B6AFAE65A1F7310424A7C9F" xlink:to="loc_us-gaap_HedgingDesignationDomain_75C9DFD55F91FCFB6C737310424A2EF3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_F02B0E7142FF6CA49FCB7310424A660C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_75C9DFD55F91FCFB6C737310424A2EF3" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_F02B0E7142FF6CA49FCB7310424A660C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_F172A895EA21E74E165A7310424A1243" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_75C9DFD55F91FCFB6C737310424A2EF3" xlink:to="loc_us-gaap_NondesignatedMember_F172A895EA21E74E165A7310424A1243" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_E4039181FA9CAE9A11537310424AC9D6" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_70369489DA9920BF65787310424AFFD3" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_E4039181FA9CAE9A11537310424AC9D6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_58707C83C98872EF6B117310424A5125_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_E4039181FA9CAE9A11537310424AC9D6" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_58707C83C98872EF6B117310424A5125_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_58707C83C98872EF6B117310424A5125" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_E4039181FA9CAE9A11537310424AC9D6" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_58707C83C98872EF6B117310424A5125" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SalesMember" xlink:label="loc_us-gaap_SalesMember_C9268037358BD6AC40DE7310424A5036" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_58707C83C98872EF6B117310424A5125" xlink:to="loc_us-gaap_SalesMember_C9268037358BD6AC40DE7310424A5036" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingExpenseMember" xlink:label="loc_us-gaap_OperatingExpenseMember_687A5905DC46EC71F0927310424AF972" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_58707C83C98872EF6B117310424A5125" xlink:to="loc_us-gaap_OperatingExpenseMember_687A5905DC46EC71F0927310424AF972" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_InterestAndOtherIncomeExpenseNetMember" xlink:label="loc_adsk_InterestAndOtherIncomeExpenseNetMember_9B4E322D87505913BA5C7310424A89D6" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_58707C83C98872EF6B117310424A5125" xlink:to="loc_adsk_InterestAndOtherIncomeExpenseNetMember_9B4E322D87505913BA5C7310424A89D6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet_D436C3C8682D3D3C63C57310424B49FD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_1A61A954B7DA19CBA4C17310424B0A0C" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet_D436C3C8682D3D3C63C57310424B49FD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_34220CE49983B3A1726A7310424B0CC4" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_1A61A954B7DA19CBA4C17310424B0A0C" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet_34220CE49983B3A1726A7310424B0CC4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet_0840C0DF123DCE5BCAD27310424B506B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_1A61A954B7DA19CBA4C17310424B0A0C" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet_0840C0DF123DCE5BCAD27310424B506B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeGainLossOnDerivativeNet" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet_75925CB5DC161CA9E1BD7310424B1494" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_1A61A954B7DA19CBA4C17310424B0A0C" xlink:to="loc_us-gaap_DerivativeGainLossOnDerivativeNet_75925CB5DC161CA9E1BD7310424B1494" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_51907B27AFB9D5F63617ABD53FB5D0F1" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_C1DCE6A31ACFB783E1FEABD53FB474D0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_51907B27AFB9D5F63617ABD53FB5D0F1" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_C1DCE6A31ACFB783E1FEABD53FB474D0" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_269C45D5D5F7086C30BDABD53FB47CAC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_C1DCE6A31ACFB783E1FEABD53FB474D0" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_269C45D5D5F7086C30BDABD53FB47CAC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_349A421D42E2A9894D63ABD53FB4F49A_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_269C45D5D5F7086C30BDABD53FB47CAC" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_349A421D42E2A9894D63ABD53FB4F49A_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_349A421D42E2A9894D63ABD53FB4F49A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_269C45D5D5F7086C30BDABD53FB47CAC" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_349A421D42E2A9894D63ABD53FB4F49A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_E82A2724726BA55676BAABD53FB5DC2C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_349A421D42E2A9894D63ABD53FB4F49A" xlink:to="loc_us-gaap_ForeignExchangeContractMember_E82A2724726BA55676BAABD53FB5DC2C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_964FBDD9567705366E93ABD53FB5A3B1" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_C1DCE6A31ACFB783E1FEABD53FB474D0" xlink:to="loc_us-gaap_HedgingDesignationAxis_964FBDD9567705366E93ABD53FB5A3B1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_16BBC65EC437AF93667CABD53FB54F9A_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_964FBDD9567705366E93ABD53FB5A3B1" xlink:to="loc_us-gaap_HedgingDesignationDomain_16BBC65EC437AF93667CABD53FB54F9A_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_16BBC65EC437AF93667CABD53FB54F9A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_964FBDD9567705366E93ABD53FB5A3B1" xlink:to="loc_us-gaap_HedgingDesignationDomain_16BBC65EC437AF93667CABD53FB54F9A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_CE83E322692FF258F0DDABD53FB57A83" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_16BBC65EC437AF93667CABD53FB54F9A" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_CE83E322692FF258F0DDABD53FB57A83" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_4000CB1114F8593D4221ABD53FB5BB44" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_16BBC65EC437AF93667CABD53FB54F9A" xlink:to="loc_us-gaap_NondesignatedMember_4000CB1114F8593D4221ABD53FB5BB44" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_CC099C0352041A39C6C6ABD53FB5C110" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_C1DCE6A31ACFB783E1FEABD53FB474D0" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_CC099C0352041A39C6C6ABD53FB5C110" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_40E08B3665C23A2895B8ABD53FB501E4_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_CC099C0352041A39C6C6ABD53FB5C110" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_40E08B3665C23A2895B8ABD53FB501E4_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_40E08B3665C23A2895B8ABD53FB501E4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_CC099C0352041A39C6C6ABD53FB5C110" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_40E08B3665C23A2895B8ABD53FB501E4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember" xlink:label="loc_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_D76469CE51AE82DFAB6AABD53FB55C76" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_40E08B3665C23A2895B8ABD53FB501E4" xlink:to="loc_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_D76469CE51AE82DFAB6AABD53FB55C76" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_OtherAccruedLiabilitiesMember" xlink:label="loc_adsk_OtherAccruedLiabilitiesMember_3ED5BF9605A76F970B43ABD53FB583E3" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_40E08B3665C23A2895B8ABD53FB501E4" xlink:to="loc_adsk_OtherAccruedLiabilitiesMember_3ED5BF9605A76F970B43ABD53FB583E3" 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_AE74C675CC6601FEA7EDABD53FB57D9F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_51907B27AFB9D5F63617ABD53FB5D0F1" xlink:to="loc_invest_DerivativeNotionalAmount_AE74C675CC6601FEA7EDABD53FB57D9F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet" xlink:label="loc_us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet_ED112A790BFFEC4A3061ABD53FB5845F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_51907B27AFB9D5F63617ABD53FB5D0F1" xlink:to="loc_us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet_ED112A790BFFEC4A3061ABD53FB5845F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral_A1D33A69CF8B0C8D4103ABD53FB53789" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_51907B27AFB9D5F63617ABD53FB5D0F1" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral_A1D33A69CF8B0C8D4103ABD53FB53789" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_6C92252FA0EC7435A255ABD53FB65F95" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_51907B27AFB9D5F63617ABD53FB5D0F1" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_6C92252FA0EC7435A255ABD53FB65F95" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/FinancialInstrumentsReconciliationOfChangeInLevel3ItemsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_AFAB38F58C3CF12DD5117310425091ED" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_4260DD59312393919EFD731042506269" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_AFAB38F58C3CF12DD5117310425091ED" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_4260DD59312393919EFD731042506269" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_08859B8BAA2BB53BE763731042506824" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_4260DD59312393919EFD731042506269" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_08859B8BAA2BB53BE763731042506824" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_52809ADD5CC6F05DB5DD73104250ED95_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_08859B8BAA2BB53BE763731042506824" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_52809ADD5CC6F05DB5DD73104250ED95_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_52809ADD5CC6F05DB5DD73104250ED95" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_08859B8BAA2BB53BE763731042506824" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_52809ADD5CC6F05DB5DD73104250ED95" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_43CA9FC479434A2C3017731042500D03" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_52809ADD5CC6F05DB5DD73104250ED95" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_43CA9FC479434A2C3017731042500D03" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueByAssetClassAxis" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_B888345B90AB693F291473104250EDD7" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_4260DD59312393919EFD731042506269" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_B888345B90AB693F291473104250EDD7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_550A16C92362D21484C87310425014F0_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_B888345B90AB693F291473104250EDD7" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_550A16C92362D21484C87310425014F0_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_550A16C92362D21484C87310425014F0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_B888345B90AB693F291473104250EDD7" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_550A16C92362D21484C87310425014F0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DerivativeMember" xlink:label="loc_us-gaap_DerivativeMember_61FF68F46053A29B577A731042508C22" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_550A16C92362D21484C87310425014F0" xlink:to="loc_us-gaap_DerivativeMember_61FF68F46053A29B577A731042508C22" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConvertibleDebtSecuritiesMember" xlink:label="loc_us-gaap_ConvertibleDebtSecuritiesMember_EC689B5CCA0EB9FF807473104250B6C8" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_550A16C92362D21484C87310425014F0" xlink:to="loc_us-gaap_ConvertibleDebtSecuritiesMember_EC689B5CCA0EB9FF807473104250B6C8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_67A39F2F66F4605FCCCB73104250436B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_AFAB38F58C3CF12DD5117310425091ED" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_67A39F2F66F4605FCCCB73104250436B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_5D035114DC22415581DC73104250CD7E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_67A39F2F66F4605FCCCB73104250436B" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_5D035114DC22415581DC73104250CD7E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_4991F1D653D3A51C90CA73104250E0A8" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_67A39F2F66F4605FCCCB73104250436B" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_4991F1D653D3A51C90CA73104250E0A8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_F27A76830D9F54C9A9F2731042501C3A" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_67A39F2F66F4605FCCCB73104250436B" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_F27A76830D9F54C9A9F2731042501C3A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss_E454DF7383E78193F3DB73104250E543" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_67A39F2F66F4605FCCCB73104250436B" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss_E454DF7383E78193F3DB73104250E543" 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/GoodwillChangesInCarryingAmountOfGoodwill2Details" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_5E737A4E6F72C02F4D2AABD53F017C7C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_4A8C3D3AF31CC31ECE13ABD53F01BF67" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_5E737A4E6F72C02F4D2AABD53F017C7C" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_4A8C3D3AF31CC31ECE13ABD53F01BF67" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_23AB94B62A4B7C4F5F4FABD8E678C4BF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_4A8C3D3AF31CC31ECE13ABD53F01BF67" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_23AB94B62A4B7C4F5F4FABD8E678C4BF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_FD6395FC564740783185ABD8E6866F8E_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_23AB94B62A4B7C4F5F4FABD8E678C4BF" xlink:to="loc_us-gaap_SegmentDomain_FD6395FC564740783185ABD8E6866F8E_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_FD6395FC564740783185ABD8E6866F8E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_23AB94B62A4B7C4F5F4FABD8E678C4BF" xlink:to="loc_us-gaap_SegmentDomain_FD6395FC564740783185ABD8E6866F8E" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_ManufacturingMember" xlink:label="loc_adsk_ManufacturingMember_E83635935B833023CF67ABD8E6C25C42" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_FD6395FC564740783185ABD8E6866F8E" xlink:to="loc_adsk_ManufacturingMember_E83635935B833023CF67ABD8E6C25C42" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NumberOfReportingUnits" xlink:label="loc_us-gaap_NumberOfReportingUnits_9444D4992F84161DC1A3ABD61D3481A2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_5E737A4E6F72C02F4D2AABD53F017C7C" xlink:to="loc_us-gaap_NumberOfReportingUnits_9444D4992F84161DC1A3ABD61D3481A2" xlink:type="arc" />
  </link:definitionLink>
  <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/IncomeTaxErrorCorrectionsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems" xlink:label="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_3211B7F7E5C1A5B5DF63ABC6234B20A5" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable" xlink:label="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_570DC33424018396BDBFABC6234A65E5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_3211B7F7E5C1A5B5DF63ABC6234B20A5" xlink:to="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_570DC33424018396BDBFABC6234A65E5" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_A45A06EECFD0D9554D10ABC6234A6E44" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_570DC33424018396BDBFABC6234A65E5" xlink:to="loc_us-gaap_StatementScenarioAxis_A45A06EECFD0D9554D10ABC6234A6E44" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_FF05DC32587249ABED48ABC6234AA87F_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_A45A06EECFD0D9554D10ABC6234A6E44" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_FF05DC32587249ABED48ABC6234AA87F_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_FF05DC32587249ABED48ABC6234AA87F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_A45A06EECFD0D9554D10ABC6234A6E44" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_FF05DC32587249ABED48ABC6234AA87F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScenarioPreviouslyReportedMember" xlink:label="loc_us-gaap_ScenarioPreviouslyReportedMember_688F3EE2C7E518C1E4FFABC6234A2E7B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_FF05DC32587249ABED48ABC6234AA87F" xlink:to="loc_us-gaap_ScenarioPreviouslyReportedMember_688F3EE2C7E518C1E4FFABC6234A2E7B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestatementAdjustmentMember" xlink:label="loc_us-gaap_RestatementAdjustmentMember_0F74D01BA2356F4F15FEABC6234BDF98" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_FF05DC32587249ABED48ABC6234AA87F" xlink:to="loc_us-gaap_RestatementAdjustmentMember_0F74D01BA2356F4F15FEABC6234BDF98" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_A533C2920526D211E730ABC6234B075F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_3211B7F7E5C1A5B5DF63ABC6234B20A5" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_A533C2920526D211E730ABC6234B075F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_CFA50995E9B6F867F17CABC6234B2E7A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_3211B7F7E5C1A5B5DF63ABC6234B20A5" xlink:to="loc_us-gaap_NetIncomeLoss_CFA50995E9B6F867F17CABC6234B2E7A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EarningsPerShareBasicAndDiluted" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDiluted_F94C0393453478395734ABC6234B39FD" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_3211B7F7E5C1A5B5DF63ABC6234B20A5" xlink:to="loc_us-gaap_EarningsPerShareBasicAndDiluted_F94C0393453478395734ABC6234B39FD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredTaxLiabilitiesCurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesCurrent_079EE1A7472931CBFC4AABC6234CE06A" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_3211B7F7E5C1A5B5DF63ABC6234B20A5" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesCurrent_079EE1A7472931CBFC4AABC6234CE06A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccruedIncomeTaxesCurrent" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_ABDB548CBF9F86FB0F9BABC6234C055F" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_3211B7F7E5C1A5B5DF63ABC6234B20A5" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_ABDB548CBF9F86FB0F9BABC6234C055F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_D3658A154C6F332B1529ABC6234C37F4" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_3211B7F7E5C1A5B5DF63ABC6234B20A5" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_D3658A154C6F332B1529ABC6234C37F4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccruedIncomeTaxesNoncurrent" xlink:label="loc_us-gaap_AccruedIncomeTaxesNoncurrent_428A401D275723180A7BABC6234D47F7" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_3211B7F7E5C1A5B5DF63ABC6234B20A5" xlink:to="loc_us-gaap_AccruedIncomeTaxesNoncurrent_428A401D275723180A7BABC6234D47F7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_3E43784418BF77E8784AABC6234D9A87" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_3211B7F7E5C1A5B5DF63ABC6234B20A5" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_3E43784418BF77E8784AABC6234D9A87" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/IncomeTaxNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxContingencyLineItems" xlink:label="loc_us-gaap_IncomeTaxContingencyLineItems_3AB88662B0A3CF4CB551ABC6236AB39D" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxContingencyTable" xlink:label="loc_us-gaap_IncomeTaxContingencyTable_CADF8F8BF1FBAEDB7F06ABC6236AFA52" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_3AB88662B0A3CF4CB551ABC6236AB39D" xlink:to="loc_us-gaap_IncomeTaxContingencyTable_CADF8F8BF1FBAEDB7F06ABC6236AFA52" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_2793FD3E43CDF346F64DABC6236A4CCC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeTaxContingencyTable_CADF8F8BF1FBAEDB7F06ABC6236AFA52" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_2793FD3E43CDF346F64DABC6236A4CCC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_EE233EC05AE85905908BABC6236A95A3_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_2793FD3E43CDF346F64DABC6236A4CCC" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_EE233EC05AE85905908BABC6236A95A3_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_EE233EC05AE85905908BABC6236A95A3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_2793FD3E43CDF346F64DABC6236A4CCC" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_EE233EC05AE85905908BABC6236A95A3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_93CF482272E2D8AB147CABC6236A4981" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_EE233EC05AE85905908BABC6236A95A3" xlink:to="loc_us-gaap_SubsequentEventMember_93CF482272E2D8AB147CABC6236A4981" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_FBA7158887EEB517213EABC6236ACDFD" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeTaxContingencyTable_CADF8F8BF1FBAEDB7F06ABC6236AFA52" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_FBA7158887EEB517213EABC6236ACDFD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_B74D8CC2A51947A4E6A7ABC6236AF6B4_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_FBA7158887EEB517213EABC6236ACDFD" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_B74D8CC2A51947A4E6A7ABC6236AF6B4_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_B74D8CC2A51947A4E6A7ABC6236AF6B4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_FBA7158887EEB517213EABC6236ACDFD" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_B74D8CC2A51947A4E6A7ABC6236AF6B4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ForeignCountryMember" xlink:label="loc_us-gaap_ForeignCountryMember_12F900A0A97C894D132BABC6236AD7D8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_B74D8CC2A51947A4E6A7ABC6236AF6B4" xlink:to="loc_us-gaap_ForeignCountryMember_12F900A0A97C894D132BABC6236AD7D8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxAuthorityNameAxis" xlink:label="loc_us-gaap_IncomeTaxAuthorityNameAxis_A27FD44EC8B4342634B7ABC6236A8F10" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeTaxContingencyTable_CADF8F8BF1FBAEDB7F06ABC6236AFA52" xlink:to="loc_us-gaap_IncomeTaxAuthorityNameAxis_A27FD44EC8B4342634B7ABC6236A8F10" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxAuthorityNameDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityNameDomain_531D0B9A92C07FAD5C3FABC6236AD43C_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameAxis_A27FD44EC8B4342634B7ABC6236A8F10" xlink:to="loc_us-gaap_IncomeTaxAuthorityNameDomain_531D0B9A92C07FAD5C3FABC6236AD43C_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxAuthorityNameDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityNameDomain_531D0B9A92C07FAD5C3FABC6236AD43C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameAxis_A27FD44EC8B4342634B7ABC6236A8F10" xlink:to="loc_us-gaap_IncomeTaxAuthorityNameDomain_531D0B9A92C07FAD5C3FABC6236AD43C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StateAdministrationOfTaxationChinaMember" xlink:label="loc_us-gaap_StateAdministrationOfTaxationChinaMember_7C6496F8A528BA958664ABC6236A1AE2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityNameDomain_531D0B9A92C07FAD5C3FABC6236AD43C" xlink:to="loc_us-gaap_StateAdministrationOfTaxationChinaMember_7C6496F8A528BA958664ABC6236A1AE2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions" xlink:label="loc_us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions_25E62D4687B0B44445E1ABC6236A5B9D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_3AB88662B0A3CF4CB551ABC6236AB39D" xlink:to="loc_us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions_25E62D4687B0B44445E1ABC6236A5B9D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxExaminationLiabilityRefundAdjustmentFromSettlementWithTaxingAuthority" xlink:label="loc_us-gaap_IncomeTaxExaminationLiabilityRefundAdjustmentFromSettlementWithTaxingAuthority_320B64BE57DEB619D95EABC6236A445E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_3AB88662B0A3CF4CB551ABC6236AB39D" xlink:to="loc_us-gaap_IncomeTaxExaminationLiabilityRefundAdjustmentFromSettlementWithTaxingAuthority_320B64BE57DEB619D95EABC6236A445E" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/IncomeTaxTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/NetIncomePerShareDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_9BC29DDA714A41B978EAABD53E497D67" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_53E0C55EBE2B0576502FABD53E48B6F7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_9BC29DDA714A41B978EAABD53E497D67" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_53E0C55EBE2B0576502FABD53E48B6F7" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_18B691DE46531A2CBA65ABD53E48DA8D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_53E0C55EBE2B0576502FABD53E48B6F7" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_18B691DE46531A2CBA65ABD53E48DA8D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_C621181CEC761049E055ABD53E487317_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_18B691DE46531A2CBA65ABD53E48DA8D" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_C621181CEC761049E055ABD53E487317_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_C621181CEC761049E055ABD53E487317" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_18B691DE46531A2CBA65ABD53E48DA8D" xlink:to="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_C621181CEC761049E055ABD53E487317" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_ExercisePriceHigherthanAverageMarketValueMember" xlink:label="loc_adsk_ExercisePriceHigherthanAverageMarketValueMember_E6B8F884DD07ADEE4655ABD53E485311" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_C621181CEC761049E055ABD53E487317" xlink:to="loc_adsk_ExercisePriceHigherthanAverageMarketValueMember_E6B8F884DD07ADEE4655ABD53E485311" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_6958DDB3C9DB4180F6B3ABD53E49DFE0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_9BC29DDA714A41B978EAABD53E497D67" xlink:to="loc_us-gaap_NetIncomeLoss_6958DDB3C9DB4180F6B3ABD53E49DFE0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_D7D42DE069D0AB031CE5ABD53E490EF9" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_9BC29DDA714A41B978EAABD53E497D67" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_D7D42DE069D0AB031CE5ABD53E490EF9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_BF181637920884A2E5EAABD53E4961DD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_D7D42DE069D0AB031CE5ABD53E490EF9" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_BF181637920884A2E5EAABD53E4961DD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_484418DCF60C6F2A7532ABD53E497550" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_D7D42DE069D0AB031CE5ABD53E490EF9" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_484418DCF60C6F2A7532ABD53E497550" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_C9B6F6F030383BBB6050ABD53E496896" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_D7D42DE069D0AB031CE5ABD53E490EF9" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_C9B6F6F030383BBB6050ABD53E496896" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_45C6A27E0FF56B443BABABD53E496E1C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_9BC29DDA714A41B978EAABD53E497D67" xlink:to="loc_us-gaap_EarningsPerShareBasic_45C6A27E0FF56B443BABABD53E496E1C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_04D3196D6A48ADBB9ED6ABD53E4961A5" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_9BC29DDA714A41B978EAABD53E497D67" xlink:to="loc_us-gaap_EarningsPerShareDiluted_04D3196D6A48ADBB9ED6ABD53E4961A5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_B54173475654EC55745CABD53E49C1C8" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_9BC29DDA714A41B978EAABD53E497D67" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_B54173475654EC55745CABD53E49C1C8" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/NetIncomePerShareTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/NetLossPerShare" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/OtherIntangibleAssetsAndRelatedAccumulatedAmortizationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_64EDD71D63D7F5C12681731041D37CDD" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_93B84B7EE379E1B4CB6A731041D290A6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_64EDD71D63D7F5C12681731041D37CDD" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_93B84B7EE379E1B4CB6A731041D290A6" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5C4C1F29BCC4041FD148731041D23BAA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_93B84B7EE379E1B4CB6A731041D290A6" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5C4C1F29BCC4041FD148731041D23BAA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_F0E0E3BB4C40ACDCF5D4731041D26E69_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5C4C1F29BCC4041FD148731041D23BAA" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_F0E0E3BB4C40ACDCF5D4731041D26E69_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_F0E0E3BB4C40ACDCF5D4731041D26E69" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5C4C1F29BCC4041FD148731041D23BAA" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_F0E0E3BB4C40ACDCF5D4731041D26E69" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_5205254E3B5852BA7A69731041D246B4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_F0E0E3BB4C40ACDCF5D4731041D26E69" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_5205254E3B5852BA7A69731041D246B4" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_CustomerRelationshipsTradeNamesPatentsandUserListMember" xlink:label="loc_adsk_CustomerRelationshipsTradeNamesPatentsandUserListMember_E0C1573A867B94D2D2BD731041D33B1C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_F0E0E3BB4C40ACDCF5D4731041D26E69" xlink:to="loc_adsk_CustomerRelationshipsTradeNamesPatentsandUserListMember_E0C1573A867B94D2D2BD731041D33B1C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_EBC8B9D838EF1B81C033731041D3A363" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_64EDD71D63D7F5C12681731041D37CDD" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_EBC8B9D838EF1B81C033731041D3A363" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_74BF5222C574A00CE799731041D32C65" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_64EDD71D63D7F5C12681731041D37CDD" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_74BF5222C574A00CE799731041D32C65" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_E3F45917A7562B5B27BF731041D382C7" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_64EDD71D63D7F5C12681731041D37CDD" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_E3F45917A7562B5B27BF731041D382C7" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/OtherIntangibleAssetsNet" xlink:type="extended" />
  <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/RecentlyIssuedAccountingStandardsAsuAdoptionDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems" xlink:label="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_E422F0B39A898E408AD687E3E87EEAB9" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable" xlink:label="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_87E96032182C1F7422F587E3E87DE0E4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_E422F0B39A898E408AD687E3E87EEAB9" xlink:to="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_87E96032182C1F7422F587E3E87DE0E4" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:label="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_C2638DFC21552D85420A87E3E87DE55A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_87E96032182C1F7422F587E3E87DE0E4" xlink:to="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_C2638DFC21552D85420A87E3E87DE55A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="loc_us-gaap_TypeOfAdoptionMember_7E7FF4F19F3756B3129987E3E87E989A_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_C2638DFC21552D85420A87E3E87DE55A" xlink:to="loc_us-gaap_TypeOfAdoptionMember_7E7FF4F19F3756B3129987E3E87E989A_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="loc_us-gaap_TypeOfAdoptionMember_7E7FF4F19F3756B3129987E3E87E989A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_C2638DFC21552D85420A87E3E87DE55A" xlink:to="loc_us-gaap_TypeOfAdoptionMember_7E7FF4F19F3756B3129987E3E87E989A" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_AccountingStandardsUpdate201609Member" xlink:label="loc_adsk_AccountingStandardsUpdate201609Member_49BBEF1FD5C2B8D36DF287E3E87E8363" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfAdoptionMember_7E7FF4F19F3756B3129987E3E87E989A" xlink:to="loc_adsk_AccountingStandardsUpdate201609Member_49BBEF1FD5C2B8D36DF287E3E87E8363" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_8ABFF74BF37A9BC7530187E3E87E3422" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_87E96032182C1F7422F587E3E87DE0E4" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_8ABFF74BF37A9BC7530187E3E87E3422" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_4B3FE704440AC4FF024387E3E87E86E7_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_8ABFF74BF37A9BC7530187E3E87E3422" xlink:to="loc_us-gaap_EquityComponentDomain_4B3FE704440AC4FF024387E3E87E86E7_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_4B3FE704440AC4FF024387E3E87E86E7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_8ABFF74BF37A9BC7530187E3E87E3422" xlink:to="loc_us-gaap_EquityComponentDomain_4B3FE704440AC4FF024387E3E87E86E7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_44D15F961E983A4F8E4D87E3E87E9868" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_4B3FE704440AC4FF024387E3E87E86E7" xlink:to="loc_us-gaap_RetainedEarningsMember_44D15F961E983A4F8E4D87E3E87E9868" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_CB84C89C909F97FD1DC387E3E87E51A6" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_87E96032182C1F7422F587E3E87DE0E4" xlink:to="loc_us-gaap_StatementScenarioAxis_CB84C89C909F97FD1DC387E3E87E51A6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_FD98A5445B79E02DA01087E3E87E72EB_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_CB84C89C909F97FD1DC387E3E87E51A6" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_FD98A5445B79E02DA01087E3E87E72EB_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_FD98A5445B79E02DA01087E3E87E72EB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_CB84C89C909F97FD1DC387E3E87E51A6" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_FD98A5445B79E02DA01087E3E87E72EB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScenarioPreviouslyReportedMember" xlink:label="loc_us-gaap_ScenarioPreviouslyReportedMember_EF5FB1EFFEF1BB2B706387E3E87E5626" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_FD98A5445B79E02DA01087E3E87E72EB" xlink:to="loc_us-gaap_ScenarioPreviouslyReportedMember_EF5FB1EFFEF1BB2B706387E3E87E5626" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestatementAdjustmentMember" xlink:label="loc_us-gaap_RestatementAdjustmentMember_AF35485D2B81E5DD53FE87E3E87E1542" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_FD98A5445B79E02DA01087E3E87E72EB" xlink:to="loc_us-gaap_RestatementAdjustmentMember_AF35485D2B81E5DD53FE87E3E87E1542" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NewAccountingPronouncementEarlyAdoptionAxis" xlink:label="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionAxis_78E48BD4CBE5D269B4DE87E3E87E1ED0" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_87E96032182C1F7422F587E3E87DE0E4" xlink:to="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionAxis_78E48BD4CBE5D269B4DE87E3E87E1ED0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NewAccountingPrinciplesEarlyAdoptionMember" xlink:label="loc_us-gaap_NewAccountingPrinciplesEarlyAdoptionMember_D49283B44BD1C08D4CC787E3E87E4031_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionAxis_78E48BD4CBE5D269B4DE87E3E87E1ED0" xlink:to="loc_us-gaap_NewAccountingPrinciplesEarlyAdoptionMember_D49283B44BD1C08D4CC787E3E87E4031_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NewAccountingPrinciplesEarlyAdoptionMember" xlink:label="loc_us-gaap_NewAccountingPrinciplesEarlyAdoptionMember_D49283B44BD1C08D4CC787E3E87E4031" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionAxis_78E48BD4CBE5D269B4DE87E3E87E1ED0" xlink:to="loc_us-gaap_NewAccountingPrinciplesEarlyAdoptionMember_D49283B44BD1C08D4CC787E3E87E4031" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NewAccountingPronouncementEarlyAdoptionEffectMember" xlink:label="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionEffectMember_D8818B322AFE32D9BAA787E3E87EBD81" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPrinciplesEarlyAdoptionMember_D49283B44BD1C08D4CC787E3E87E4031" xlink:to="loc_us-gaap_NewAccountingPronouncementEarlyAdoptionEffectMember_D8818B322AFE32D9BAA787E3E87EBD81" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LiabilityForUncertainTaxPositionsNoncurrent" xlink:label="loc_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent_C5C5D95D7E0EE406D3B987E3E87E013B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_E422F0B39A898E408AD687E3E87EEAB9" xlink:to="loc_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent_C5C5D95D7E0EE406D3B987E3E87E013B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption" xlink:label="loc_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_D1D3B94EC95A5E29775887E3E87E9672" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_E422F0B39A898E408AD687E3E87EEAB9" xlink:to="loc_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_D1D3B94EC95A5E29775887E3E87E9672" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccruedIncomeTaxesNoncurrent" xlink:label="loc_us-gaap_AccruedIncomeTaxesNoncurrent_A95BD9345D76AF3D798087E3E87EE034" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_E422F0B39A898E408AD687E3E87EEAB9" xlink:to="loc_us-gaap_AccruedIncomeTaxesNoncurrent_A95BD9345D76AF3D798087E3E87EE034" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CommonStocksIncludingAdditionalPaidInCapital" xlink:label="loc_us-gaap_CommonStocksIncludingAdditionalPaidInCapital_DF87575242C644B5754387E3E87EB820" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_E422F0B39A898E408AD687E3E87EEAB9" xlink:to="loc_us-gaap_CommonStocksIncludingAdditionalPaidInCapital_DF87575242C644B5754387E3E87EB820" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_1FB775BCCF3ACDDFCA7A87E3E87F46A2" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_E422F0B39A898E408AD687E3E87EEAB9" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_1FB775BCCF3ACDDFCA7A87E3E87F46A2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CostOfGoodsSoldSubscription" xlink:label="loc_us-gaap_CostOfGoodsSoldSubscription_A09E03CBFAD13C669D7487E3E87F2E8D" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_E422F0B39A898E408AD687E3E87EEAB9" xlink:to="loc_us-gaap_CostOfGoodsSoldSubscription_A09E03CBFAD13C669D7487E3E87F2E8D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LicenseCosts" xlink:label="loc_us-gaap_LicenseCosts_1BD50B08C4138FE1009A87E3E87FA111" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_E422F0B39A898E408AD687E3E87EEAB9" xlink:to="loc_us-gaap_LicenseCosts_1BD50B08C4138FE1009A87E3E87FA111" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_B3163D766D16CF86FCBB87E3E87F238E" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_E422F0B39A898E408AD687E3E87EEAB9" xlink:to="loc_us-gaap_GrossProfit_B3163D766D16CF86FCBB87E3E87F238E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SellingAndMarketingExpense" xlink:label="loc_us-gaap_SellingAndMarketingExpense_41851504BF52B7841AFD87E3E87FA55D" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_E422F0B39A898E408AD687E3E87EEAB9" xlink:to="loc_us-gaap_SellingAndMarketingExpense_41851504BF52B7841AFD87E3E87FA55D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_DD71C967088528DBC7D187E3E87F639C" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_E422F0B39A898E408AD687E3E87EEAB9" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_DD71C967088528DBC7D187E3E87F639C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_FC4E5EDA8E81AA5011B587E3E87F82DC" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_E422F0B39A898E408AD687E3E87EEAB9" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_FC4E5EDA8E81AA5011B587E3E87F82DC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_1E8A7359B09B7AC84FD787E3E87FD15E" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_E422F0B39A898E408AD687E3E87EEAB9" xlink:to="loc_us-gaap_OperatingIncomeLoss_1E8A7359B09B7AC84FD787E3E87FD15E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_948F9D2EE3D79372FD3587E3E87F09A9" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_E422F0B39A898E408AD687E3E87EEAB9" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_948F9D2EE3D79372FD3587E3E87F09A9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_1420630A7114B97B10F687E3E87F4A20" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_E422F0B39A898E408AD687E3E87EEAB9" xlink:to="loc_us-gaap_NetIncomeLoss_1420630A7114B97B10F687E3E87F4A20" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:label="loc_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_4D78A4C55E93447DD53187E3E87F89E0" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_E422F0B39A898E408AD687E3E87EEAB9" xlink:to="loc_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_4D78A4C55E93447DD53187E3E87F89E0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EarningsPerShareBasicAndDiluted" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDiluted_C044DB5F34764DF5945887E3E87FD36F" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_E422F0B39A898E408AD687E3E87EEAB9" xlink:to="loc_us-gaap_EarningsPerShareBasicAndDiluted_C044DB5F34764DF5945887E3E87FD36F" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/RecentlyIssuedAccountingStandardsRecentlyIssuedAccountingStandardsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/RestructuringChargesAndOtherFacilityExitCostsNet" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/RestructuringChargesAndOtherFacilityExitCostsNetDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_F8F2AEBEFAE9CD467E70B0ACBC53DFD1" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_4212B09C06F480AD664BB0ACBC53A2F9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_F8F2AEBEFAE9CD467E70B0ACBC53DFD1" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_4212B09C06F480AD664BB0ACBC53A2F9" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestructuringPlanAxis" xlink:label="loc_us-gaap_RestructuringPlanAxis_1BE381E66E9D4F252A69B0ACBC53BB3C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_4212B09C06F480AD664BB0ACBC53A2F9" xlink:to="loc_us-gaap_RestructuringPlanAxis_1BE381E66E9D4F252A69B0ACBC53BB3C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestructuringPlanDomain" xlink:label="loc_us-gaap_RestructuringPlanDomain_36103FEF5CC86B9F0974B0ACBC5319CF_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringPlanAxis_1BE381E66E9D4F252A69B0ACBC53BB3C" xlink:to="loc_us-gaap_RestructuringPlanDomain_36103FEF5CC86B9F0974B0ACBC5319CF_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestructuringPlanDomain" xlink:label="loc_us-gaap_RestructuringPlanDomain_36103FEF5CC86B9F0974B0ACBC5319CF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringPlanAxis_1BE381E66E9D4F252A69B0ACBC53BB3C" xlink:to="loc_us-gaap_RestructuringPlanDomain_36103FEF5CC86B9F0974B0ACBC5319CF" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_Fiscal2017PlanMember" xlink:label="loc_adsk_Fiscal2017PlanMember_7E205F042A8B155F28F1B0ACBC53CC13" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_36103FEF5CC86B9F0974B0ACBC5319CF" xlink:to="loc_adsk_Fiscal2017PlanMember_7E205F042A8B155F28F1B0ACBC53CC13" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestructuringCostAndReserveAxis" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_D03FBCAD143332A91933B0ACBC5349AA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_4212B09C06F480AD664BB0ACBC53A2F9" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_D03FBCAD143332A91933B0ACBC5349AA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_1ABDB1F8E44E9D32C968B0ACBC531A17_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_D03FBCAD143332A91933B0ACBC5349AA" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_1ABDB1F8E44E9D32C968B0ACBC531A17_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_1ABDB1F8E44E9D32C968B0ACBC531A17" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_D03FBCAD143332A91933B0ACBC5349AA" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_1ABDB1F8E44E9D32C968B0ACBC531A17" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EmployeeSeveranceMember" xlink:label="loc_us-gaap_EmployeeSeveranceMember_78EBAAEDDB695B18E36DB0ACBC53F0D6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_1ABDB1F8E44E9D32C968B0ACBC531A17" xlink:to="loc_us-gaap_EmployeeSeveranceMember_78EBAAEDDB695B18E36DB0ACBC53F0D6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FacilityClosingMember" xlink:label="loc_us-gaap_FacilityClosingMember_07705E72759C7DCC06ACB0ACBC534649" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_1ABDB1F8E44E9D32C968B0ACBC531A17" xlink:to="loc_us-gaap_FacilityClosingMember_07705E72759C7DCC06ACB0ACBC534649" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestructuringAndRelatedCostExpectedCost1" xlink:label="loc_us-gaap_RestructuringAndRelatedCostExpectedCost1_676701816FCFDF1BB250B0ACBC5345B6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_F8F2AEBEFAE9CD467E70B0ACBC53DFD1" xlink:to="loc_us-gaap_RestructuringAndRelatedCostExpectedCost1_676701816FCFDF1BB250B0ACBC5345B6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_40573E3C8B150349AE82B0ACBC53B4C4" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_F8F2AEBEFAE9CD467E70B0ACBC53DFD1" xlink:to="loc_dei_DocumentFiscalYearFocus_40573E3C8B150349AE82B0ACBC53B4C4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestructuringReserveRollForward" xlink:label="loc_us-gaap_RestructuringReserveRollForward_D160EDCA47011DCB6399B0ACBC5305A3" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_F8F2AEBEFAE9CD467E70B0ACBC53DFD1" xlink:to="loc_us-gaap_RestructuringReserveRollForward_D160EDCA47011DCB6399B0ACBC5305A3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestructuringReserve" xlink:label="loc_us-gaap_RestructuringReserve_92E8CF3F37A689E9F6D1B0ACBC53FE6C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_D160EDCA47011DCB6399B0ACBC5305A3" xlink:to="loc_us-gaap_RestructuringReserve_92E8CF3F37A689E9F6D1B0ACBC53FE6C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_F949463B78A669BC025AB0ACBC535F23" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_D160EDCA47011DCB6399B0ACBC5305A3" xlink:to="loc_us-gaap_RestructuringCharges_F949463B78A669BC025AB0ACBC535F23" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsForRestructuring" xlink:label="loc_us-gaap_PaymentsForRestructuring_69913DF367F100CDF3BEB0ACBC541ACE" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_D160EDCA47011DCB6399B0ACBC5305A3" xlink:to="loc_us-gaap_PaymentsForRestructuring_69913DF367F100CDF3BEB0ACBC541ACE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestructuringReserveTranslationAndOtherAdjustment" xlink:label="loc_us-gaap_RestructuringReserveTranslationAndOtherAdjustment_1CB4C4359A4B85CF8D04B0ACBC546626" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_D160EDCA47011DCB6399B0ACBC5305A3" xlink:to="loc_us-gaap_RestructuringReserveTranslationAndOtherAdjustment_1CB4C4359A4B85CF8D04B0ACBC546626" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestructuringReserveCurrent" xlink:label="loc_us-gaap_RestructuringReserveCurrent_CE64ABE97076F83BDC72B0ACBC5458C2" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_F8F2AEBEFAE9CD467E70B0ACBC53DFD1" xlink:to="loc_us-gaap_RestructuringReserveCurrent_CE64ABE97076F83BDC72B0ACBC5458C2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestructuringReserveNoncurrent" xlink:label="loc_us-gaap_RestructuringReserveNoncurrent_1315C01910F34CD8C87BB0ACBC547E52" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_F8F2AEBEFAE9CD467E70B0ACBC53DFD1" xlink:to="loc_us-gaap_RestructuringReserveNoncurrent_1315C01910F34CD8C87BB0ACBC547E52" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/RestructuringChargesAndOtherFacilityExitCostsNetTables" 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/SegmentsConcerningOperationsOfReportableSegmentsDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/SegmentsInformationRegardingOperationsByGeographicAreaAndProductFamilyDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_53298E0AE82923A53F2673104136DB35" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_8A3D5384CEDA56251D1173104134A11A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_53298E0AE82923A53F2673104136DB35" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_8A3D5384CEDA56251D1173104134A11A" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="loc_us-gaap_StatementGeographicalAxis_70C302C9699BF2B3E09E731041347FCC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_8A3D5384CEDA56251D1173104134A11A" xlink:to="loc_us-gaap_StatementGeographicalAxis_70C302C9699BF2B3E09E731041347FCC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_0275AE960C8C603D1FBE73104135EED6_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementGeographicalAxis_70C302C9699BF2B3E09E731041347FCC" xlink:to="loc_us-gaap_SegmentGeographicalDomain_0275AE960C8C603D1FBE73104135EED6_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_0275AE960C8C603D1FBE73104135EED6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementGeographicalAxis_70C302C9699BF2B3E09E731041347FCC" xlink:to="loc_us-gaap_SegmentGeographicalDomain_0275AE960C8C603D1FBE73104135EED6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AmericasMember" xlink:label="loc_us-gaap_AmericasMember_B3C675988DC99FCF6B7373104135712D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_0275AE960C8C603D1FBE73104135EED6" xlink:to="loc_us-gaap_AmericasMember_B3C675988DC99FCF6B7373104135712D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EMEAMember" xlink:label="loc_us-gaap_EMEAMember_0558B01C7AAA252CB8E573104135ACBC" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_0275AE960C8C603D1FBE73104135EED6" xlink:to="loc_us-gaap_EMEAMember_0558B01C7AAA252CB8E573104135ACBC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AsiaPacificMember" xlink:label="loc_us-gaap_AsiaPacificMember_26961EF97033B03CB111731041351F85" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentGeographicalDomain_0275AE960C8C603D1FBE73104135EED6" xlink:to="loc_us-gaap_AsiaPacificMember_26961EF97033B03CB111731041351F85" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_RegionReportingInformationBySecondaryRegionAxis" xlink:label="loc_adsk_RegionReportingInformationBySecondaryRegionAxis_9E590FECD9BE0557E68B731041356DE1" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_8A3D5384CEDA56251D1173104134A11A" xlink:to="loc_adsk_RegionReportingInformationBySecondaryRegionAxis_9E590FECD9BE0557E68B731041356DE1" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_RegionReportingInformationBySecondaryRegionDomain" xlink:label="loc_adsk_RegionReportingInformationBySecondaryRegionDomain_EE4E027504DBEB91086B731041355417_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_adsk_RegionReportingInformationBySecondaryRegionAxis_9E590FECD9BE0557E68B731041356DE1" xlink:to="loc_adsk_RegionReportingInformationBySecondaryRegionDomain_EE4E027504DBEB91086B731041355417_default" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_RegionReportingInformationBySecondaryRegionDomain" xlink:label="loc_adsk_RegionReportingInformationBySecondaryRegionDomain_EE4E027504DBEB91086B731041355417" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_adsk_RegionReportingInformationBySecondaryRegionAxis_9E590FECD9BE0557E68B731041356DE1" xlink:to="loc_adsk_RegionReportingInformationBySecondaryRegionDomain_EE4E027504DBEB91086B731041355417" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/country/2016/country-2016-01-31.xsd#country_US" xlink:label="loc_country_US_54E2DC3B5AFC613A72C573104135F12B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adsk_RegionReportingInformationBySecondaryRegionDomain_EE4E027504DBEB91086B731041355417" xlink:to="loc_country_US_54E2DC3B5AFC613A72C573104135F12B" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_OtherAmericasMember" xlink:label="loc_adsk_OtherAmericasMember_8BC988690C7D21EA1E997310413550FD" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adsk_RegionReportingInformationBySecondaryRegionDomain_EE4E027504DBEB91086B731041355417" xlink:to="loc_adsk_OtherAmericasMember_8BC988690C7D21EA1E997310413550FD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/country/2016/country-2016-01-31.xsd#country_JP" xlink:label="loc_country_JP_B66F3D45454C8F4C94E273104135B14F" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adsk_RegionReportingInformationBySecondaryRegionDomain_EE4E027504DBEB91086B731041355417" xlink:to="loc_country_JP_B66F3D45454C8F4C94E273104135B14F" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_OtherAsiaPacificMember" xlink:label="loc_adsk_OtherAsiaPacificMember_A979BF06513F34FF960173104135ADA2" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adsk_RegionReportingInformationBySecondaryRegionDomain_EE4E027504DBEB91086B731041355417" xlink:to="loc_adsk_OtherAsiaPacificMember_A979BF06513F34FF960173104135ADA2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_CB09055D0F2163CF1CCC73104135C106" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_8A3D5384CEDA56251D1173104134A11A" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_CB09055D0F2163CF1CCC73104135C106" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_3264C2B9DC00B83F58B0731041355078_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_CB09055D0F2163CF1CCC73104135C106" xlink:to="loc_us-gaap_SegmentDomain_3264C2B9DC00B83F58B0731041355078_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_3264C2B9DC00B83F58B0731041355078" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_CB09055D0F2163CF1CCC73104135C106" xlink:to="loc_us-gaap_SegmentDomain_3264C2B9DC00B83F58B0731041355078" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_ArchitectureEngineeringAndConstructionMember" xlink:label="loc_adsk_ArchitectureEngineeringAndConstructionMember_D675560C396B20D820AA73104135A129" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_3264C2B9DC00B83F58B0731041355078" xlink:to="loc_adsk_ArchitectureEngineeringAndConstructionMember_D675560C396B20D820AA73104135A129" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_ManufacturingMember" xlink:label="loc_adsk_ManufacturingMember_E3DECEDF963649B791BB731041353B29" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_3264C2B9DC00B83F58B0731041355078" xlink:to="loc_adsk_ManufacturingMember_E3DECEDF963649B791BB731041353B29" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_AutoCADandAutoCADLTFamilyMember" xlink:label="loc_adsk_AutoCADandAutoCADLTFamilyMember_3AD7FF5DD6532E7B5DAA731041355938" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_3264C2B9DC00B83F58B0731041355078" xlink:to="loc_adsk_AutoCADandAutoCADLTFamilyMember_3AD7FF5DD6532E7B5DAA731041355938" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_MediaAndEntertainmentMember" xlink:label="loc_adsk_MediaAndEntertainmentMember_46CB9C813B0A05A8543D73104135B89E" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_3264C2B9DC00B83F58B0731041355078" xlink:to="loc_adsk_MediaAndEntertainmentMember_46CB9C813B0A05A8543D73104135B89E" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_OtherMember" xlink:label="loc_adsk_OtherMember_F869F15C55116031EEDB731041360915" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_3264C2B9DC00B83F58B0731041355078" xlink:to="loc_adsk_OtherMember_F869F15C55116031EEDB731041360915" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConsolidationItemsAxis" xlink:label="loc_us-gaap_ConsolidationItemsAxis_E3F56B584B3D10B4FE32731041361DB5" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_8A3D5384CEDA56251D1173104134A11A" xlink:to="loc_us-gaap_ConsolidationItemsAxis_E3F56B584B3D10B4FE32731041361DB5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_F82D2CF6068F3A45E1FB7310413679FD_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConsolidationItemsAxis_E3F56B584B3D10B4FE32731041361DB5" xlink:to="loc_us-gaap_ConsolidationItemsDomain_F82D2CF6068F3A45E1FB7310413679FD_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_F82D2CF6068F3A45E1FB7310413679FD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConsolidationItemsAxis_E3F56B584B3D10B4FE32731041361DB5" xlink:to="loc_us-gaap_ConsolidationItemsDomain_F82D2CF6068F3A45E1FB7310413679FD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_2B71124737AA8B2FC3E373104136843C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConsolidationItemsDomain_F82D2CF6068F3A45E1FB7310413679FD" xlink:to="loc_us-gaap_OperatingSegmentsMember_2B71124737AA8B2FC3E373104136843C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="loc_us-gaap_SalesRevenueNet_9FD1F0589D7F0ED532BD7310413B69AF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_53298E0AE82923A53F2673104136DB35" xlink:to="loc_us-gaap_SalesRevenueNet_9FD1F0589D7F0ED532BD7310413B69AF" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/SegmentsTables" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7FF05DE0207675C5936673104241B5C4" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_6EE39481946927A325BD73104240DFEA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7FF05DE0207675C5936673104241B5C4" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_6EE39481946927A325BD73104240DFEA" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_VestingAxis" xlink:label="loc_us-gaap_VestingAxis_BA5A59C4573AB19EFB2C7310424013A0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_6EE39481946927A325BD73104240DFEA" xlink:to="loc_us-gaap_VestingAxis_BA5A59C4573AB19EFB2C7310424013A0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_VestingDomain" xlink:label="loc_us-gaap_VestingDomain_2130547D326E633EA33A73104240D536_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VestingAxis_BA5A59C4573AB19EFB2C7310424013A0" xlink:to="loc_us-gaap_VestingDomain_2130547D326E633EA33A73104240D536_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_VestingDomain" xlink:label="loc_us-gaap_VestingDomain_2130547D326E633EA33A73104240D536" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VestingAxis_BA5A59C4573AB19EFB2C7310424013A0" xlink:to="loc_us-gaap_VestingDomain_2130547D326E633EA33A73104240D536" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_C5F065704201F39F0EED7310424041B8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_2130547D326E633EA33A73104240D536" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_C5F065704201F39F0EED7310424041B8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheTwoMember" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_F905EC7C8B6300B6546D73104240085C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_2130547D326E633EA33A73104240D536" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_F905EC7C8B6300B6546D73104240085C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheThreeMember" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheThreeMember_1028F55F53EFFBF3A9C773104240CA6F" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_2130547D326E633EA33A73104240D536" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheThreeMember_1028F55F53EFFBF3A9C773104240CA6F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_B4C0A241A37D4C4FA3E1731042416D74" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_6EE39481946927A325BD73104240DFEA" xlink:to="loc_us-gaap_PlanNameAxis_B4C0A241A37D4C4FA3E1731042416D74" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_99C43260B17C68E05DB5731042413CF2_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_B4C0A241A37D4C4FA3E1731042416D74" xlink:to="loc_us-gaap_PlanNameDomain_99C43260B17C68E05DB5731042413CF2_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_99C43260B17C68E05DB5731042413CF2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_B4C0A241A37D4C4FA3E1731042416D74" xlink:to="loc_us-gaap_PlanNameDomain_99C43260B17C68E05DB5731042413CF2" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_EmployeeQualifiedStockPurchasePlan1998EspPlanMember" xlink:label="loc_adsk_EmployeeQualifiedStockPurchasePlan1998EspPlanMember_F1A4EAB8BC1F3FBC19EC731042418E51" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_99C43260B17C68E05DB5731042413CF2" xlink:to="loc_adsk_EmployeeQualifiedStockPurchasePlan1998EspPlanMember_F1A4EAB8BC1F3FBC19EC731042418E51" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_EBCBB7F9E71B060244CD7310424106BB" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_6EE39481946927A325BD73104240DFEA" xlink:to="loc_us-gaap_AwardTypeAxis_EBCBB7F9E71B060244CD7310424106BB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_B141DF0690FE9B265F7073104241F84D_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_EBCBB7F9E71B060244CD7310424106BB" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_B141DF0690FE9B265F7073104241F84D_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_B141DF0690FE9B265F7073104241F84D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_EBCBB7F9E71B060244CD7310424106BB" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_B141DF0690FE9B265F7073104241F84D" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_RestrictedStockUnitsRSUsandPerformanceSharesMember" xlink:label="loc_adsk_RestrictedStockUnitsRSUsandPerformanceSharesMember_88CC83E438584B51194F73104241EECB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_B141DF0690FE9B265F7073104241F84D" xlink:to="loc_adsk_RestrictedStockUnitsRSUsandPerformanceSharesMember_88CC83E438584B51194F73104241EECB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_ABDF02698504FB6DA12C731042412551" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_B141DF0690FE9B265F7073104241F84D" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_ABDF02698504FB6DA12C731042412551" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PerformanceSharesMember" xlink:label="loc_us-gaap_PerformanceSharesMember_90DF6AA17DCD63DD9CB47310424127F2" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_B141DF0690FE9B265F7073104241F84D" xlink:to="loc_us-gaap_PerformanceSharesMember_90DF6AA17DCD63DD9CB47310424127F2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_7E7B35DD18791293818A7310424163DC" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_6EE39481946927A325BD73104240DFEA" xlink:to="loc_us-gaap_RangeAxis_7E7B35DD18791293818A7310424163DC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_946F0759E737BD5B4F8E731042414064_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_7E7B35DD18791293818A7310424163DC" xlink:to="loc_us-gaap_RangeMember_946F0759E737BD5B4F8E731042414064_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_946F0759E737BD5B4F8E731042414064" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_7E7B35DD18791293818A7310424163DC" xlink:to="loc_us-gaap_RangeMember_946F0759E737BD5B4F8E731042414064" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_A12F6F6DD4D9EF85393D731042412261" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_946F0759E737BD5B4F8E731042414064" xlink:to="loc_us-gaap_MinimumMember_A12F6F6DD4D9EF85393D731042412261" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_F53D82D09B490EAFD855731042419D3E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_946F0759E737BD5B4F8E731042414064" xlink:to="loc_us-gaap_MaximumMember_F53D82D09B490EAFD855731042419D3E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_058F0685EFB37068D04673104241978F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7FF05DE0207675C5936673104241B5C4" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_058F0685EFB37068D04673104241978F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_D06A20AD46E47C75A40573104241D54F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7FF05DE0207675C5936673104241B5C4" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_D06A20AD46E47C75A40573104241D54F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_875550A96A00E1A78DC4731042412ED1" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7FF05DE0207675C5936673104241B5C4" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_875550A96A00E1A78DC4731042412ED1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_DAD61F954B043789F1A3731042417D5D" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7FF05DE0207675C5936673104241B5C4" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_DAD61F954B043789F1A3731042417D5D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_2C4ACEF4A2A3661C5E4273104242E7C3" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7FF05DE0207675C5936673104241B5C4" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_2C4ACEF4A2A3661C5E4273104242E7C3" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_EmployeeStockPurchasePlanMaximumPercentageOfCompensationToPurchaseSharesByEligibleParticipants" xlink:label="loc_adsk_EmployeeStockPurchasePlanMaximumPercentageOfCompensationToPurchaseSharesByEligibleParticipants_807441DF37729834992F73104242DEF8" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7FF05DE0207675C5936673104241B5C4" xlink:to="loc_adsk_EmployeeStockPurchasePlanMaximumPercentageOfCompensationToPurchaseSharesByEligibleParticipants_807441DF37729834992F73104242DEF8" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_EmployeeStockPurchasePlanMinimumPercentageOfCommonStockFairValueDefinedToPurchaseSharesByEligibleParticipants" xlink:label="loc_adsk_EmployeeStockPurchasePlanMinimumPercentageOfCommonStockFairValueDefinedToPurchaseSharesByEligibleParticipants_85FF4DA0B27EA347909973104242896A" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7FF05DE0207675C5936673104241B5C4" xlink:to="loc_adsk_EmployeeStockPurchasePlanMinimumPercentageOfCommonStockFairValueDefinedToPurchaseSharesByEligibleParticipants_85FF4DA0B27EA347909973104242896A" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_EmployeeStockPurchasePlanNumberofExercisePeriods" xlink:label="loc_adsk_EmployeeStockPurchasePlanNumberofExercisePeriods_2FF24BD4FF9E3B0205F6731042421915" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7FF05DE0207675C5936673104241B5C4" xlink:to="loc_adsk_EmployeeStockPurchasePlanNumberofExercisePeriods_2FF24BD4FF9E3B0205F6731042421915" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_EmployeeStockPurchasePlanTermofExercisePeriod" xlink:label="loc_adsk_EmployeeStockPurchasePlanTermofExercisePeriod_449D15423167A22EA9F47310424256F4" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7FF05DE0207675C5936673104241B5C4" xlink:to="loc_adsk_EmployeeStockPurchasePlanTermofExercisePeriod_449D15423167A22EA9F47310424256F4" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_EmployeeStockPurchasePlanTermofOfferingPeriod" xlink:label="loc_adsk_EmployeeStockPurchasePlanTermofOfferingPeriod_5C0726E6C27D57CFD8BF73104242A62D" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7FF05DE0207675C5936673104241B5C4" xlink:to="loc_adsk_EmployeeStockPurchasePlanTermofOfferingPeriod_5C0726E6C27D57CFD8BF73104242A62D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_5E31057720456529E980731042426B47" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7FF05DE0207675C5936673104241B5C4" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_5E31057720456529E980731042426B47" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedAveragePrice" xlink:label="loc_adsk_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedAveragePrice_6FC4C22561BED5528E2A73104242C21F" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7FF05DE0207675C5936673104241B5C4" xlink:to="loc_adsk_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedAveragePrice_6FC4C22561BED5528E2A73104242C21F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_4468662F48A8B5BA4AF9731042423FF0" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7FF05DE0207675C5936673104241B5C4" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_4468662F48A8B5BA4AF9731042423FF0" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_83F17AFCE4DCB00F511C7310422AA275" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_B6EA36C158B5CA43ABA973104229571F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_83F17AFCE4DCB00F511C7310422AA275" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_B6EA36C158B5CA43ABA973104229571F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_410ACE86F1B4C30AE39E731042294C95" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_B6EA36C158B5CA43ABA973104229571F" xlink:to="loc_us-gaap_PlanNameAxis_410ACE86F1B4C30AE39E731042294C95" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_D691F00266ADEB862CA0731042295F0A_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_410ACE86F1B4C30AE39E731042294C95" xlink:to="loc_us-gaap_PlanNameDomain_D691F00266ADEB862CA0731042295F0A_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_D691F00266ADEB862CA0731042295F0A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_410ACE86F1B4C30AE39E731042294C95" xlink:to="loc_us-gaap_PlanNameDomain_D691F00266ADEB862CA0731042295F0A" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_EmployeeQualifiedStockPurchasePlan1998EspPlanMember" xlink:label="loc_adsk_EmployeeQualifiedStockPurchasePlan1998EspPlanMember_76EA73AA5C126192460073104229DCB2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_D691F00266ADEB862CA0731042295F0A" xlink:to="loc_adsk_EmployeeQualifiedStockPurchasePlan1998EspPlanMember_76EA73AA5C126192460073104229DCB2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_6C22C29B98D8CF6F625D73104229A506" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_B6EA36C158B5CA43ABA973104229571F" xlink:to="loc_us-gaap_AwardTypeAxis_6C22C29B98D8CF6F625D73104229A506" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6C6F09A65246EF6B93277310422977B5_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_6C22C29B98D8CF6F625D73104229A506" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6C6F09A65246EF6B93277310422977B5_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6C6F09A65246EF6B93277310422977B5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_6C22C29B98D8CF6F625D73104229A506" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6C6F09A65246EF6B93277310422977B5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PerformanceSharesMember" xlink:label="loc_us-gaap_PerformanceSharesMember_C92B73BAEBFAD909BEE773104229645D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6C6F09A65246EF6B93277310422977B5" xlink:to="loc_us-gaap_PerformanceSharesMember_C92B73BAEBFAD909BEE773104229645D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_0DCB8B6610CF02378A817310422A4D03" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_B6EA36C158B5CA43ABA973104229571F" xlink:to="loc_us-gaap_RangeAxis_0DCB8B6610CF02378A817310422A4D03" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_5B15C96FA3305BE2BFA77310422A90C9_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_0DCB8B6610CF02378A817310422A4D03" xlink:to="loc_us-gaap_RangeMember_5B15C96FA3305BE2BFA77310422A90C9_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_5B15C96FA3305BE2BFA77310422A90C9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_0DCB8B6610CF02378A817310422A4D03" xlink:to="loc_us-gaap_RangeMember_5B15C96FA3305BE2BFA77310422A90C9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_DBF9E248D40B4CE7EE997310422ACDF6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_5B15C96FA3305BE2BFA77310422A90C9" xlink:to="loc_us-gaap_MinimumMember_DBF9E248D40B4CE7EE997310422ACDF6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_3EC4C4EC3F41B37FCB577310422ABB60" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_5B15C96FA3305BE2BFA77310422A90C9" xlink:to="loc_us-gaap_MaximumMember_3EC4C4EC3F41B37FCB577310422ABB60" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_31A9F3B016E592211DE97310422A0DBB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_83F17AFCE4DCB00F511C7310422AA275" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_31A9F3B016E592211DE97310422A0DBB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_3B78B33704901B59E6F07310422A2A8C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_83F17AFCE4DCB00F511C7310422AA275" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_3B78B33704901B59E6F07310422A2A8C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_792C3AFA8D0170D51CDE7310422AFDDB" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_83F17AFCE4DCB00F511C7310422AA275" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_792C3AFA8D0170D51CDE7310422AFDDB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_902D79037394E21C245E7310422A9EAA" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_83F17AFCE4DCB00F511C7310422AA275" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_902D79037394E21C245E7310422A9EAA" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_EC02A16AF3E5E809C6F47310422DAF86" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_34D19EBCD1C431C1D8217310422CF4CD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_EC02A16AF3E5E809C6F47310422DAF86" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_34D19EBCD1C431C1D8217310422CF4CD" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_EC39795EEC76C4F9DE607310422DAF80" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_34D19EBCD1C431C1D8217310422CF4CD" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_EC39795EEC76C4F9DE607310422DAF80" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_B363EE573F4021CF5BBB7310422D1650_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_EC39795EEC76C4F9DE607310422DAF80" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_B363EE573F4021CF5BBB7310422D1650_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_B363EE573F4021CF5BBB7310422D1650" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_EC39795EEC76C4F9DE607310422DAF80" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_B363EE573F4021CF5BBB7310422D1650" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_CostofGoodsSoldSubscriptionMember" xlink:label="loc_adsk_CostofGoodsSoldSubscriptionMember_6AB1F2A61A1106C051187310422D4EB2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_B363EE573F4021CF5BBB7310422D1650" xlink:to="loc_adsk_CostofGoodsSoldSubscriptionMember_6AB1F2A61A1106C051187310422D4EB2" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_LicenseCostsMember" xlink:label="loc_adsk_LicenseCostsMember_41B15C56C6CF649B86A27310422DF65E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_B363EE573F4021CF5BBB7310422D1650" xlink:to="loc_adsk_LicenseCostsMember_41B15C56C6CF649B86A27310422DF65E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SellingAndMarketingExpenseMember" xlink:label="loc_us-gaap_SellingAndMarketingExpenseMember_0916A395966E16587B017310422D71A8" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_B363EE573F4021CF5BBB7310422D1650" xlink:to="loc_us-gaap_SellingAndMarketingExpenseMember_0916A395966E16587B017310422D71A8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseMember" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_1DB45D88B1CB32FC1EC97310422DA07B" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_B363EE573F4021CF5BBB7310422D1650" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_1DB45D88B1CB32FC1EC97310422DA07B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GeneralAndAdministrativeExpenseMember" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpenseMember_E70585212B94099F93B37310422D2F51" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_B363EE573F4021CF5BBB7310422D1650" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpenseMember_E70585212B94099F93B37310422D2F51" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_3EB058B5B4976F8C1B917310422D4CF5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_EC02A16AF3E5E809C6F47310422DAF86" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_3EB058B5B4976F8C1B917310422D4CF5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_2F0C1DBDFE8216BB5A3B7310422D4CFA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_EC02A16AF3E5E809C6F47310422DAF86" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_2F0C1DBDFE8216BB5A3B7310422D4CFA" 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/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4CC3B7D047060D69E87D73104231AA25" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_972AC1AC07363DD2BF8D73104230D198" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4CC3B7D047060D69E87D73104231AA25" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_972AC1AC07363DD2BF8D73104230D198" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_8F911F1788C6FBA2555D731042312CB7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_972AC1AC07363DD2BF8D73104230D198" xlink:to="loc_us-gaap_RangeAxis_8F911F1788C6FBA2555D731042312CB7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_79F0B5F3247881EC403373104231CE63_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_8F911F1788C6FBA2555D731042312CB7" xlink:to="loc_us-gaap_RangeMember_79F0B5F3247881EC403373104231CE63_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_79F0B5F3247881EC403373104231CE63" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_8F911F1788C6FBA2555D731042312CB7" xlink:to="loc_us-gaap_RangeMember_79F0B5F3247881EC403373104231CE63" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_2E269814731C4D035EA2731042315A20" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_79F0B5F3247881EC403373104231CE63" xlink:to="loc_us-gaap_MinimumMember_2E269814731C4D035EA2731042315A20" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_21E6F4DBA781A1EE44D773104231046E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_79F0B5F3247881EC403373104231CE63" xlink:to="loc_us-gaap_MaximumMember_21E6F4DBA781A1EE44D773104231046E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_13BE41684BCDDC56C5B9731042317D4C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_972AC1AC07363DD2BF8D73104230D198" xlink:to="loc_us-gaap_AwardTypeAxis_13BE41684BCDDC56C5B9731042317D4C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E0264A50526D413FC6A973104231B92F_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_13BE41684BCDDC56C5B9731042317D4C" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E0264A50526D413FC6A973104231B92F_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E0264A50526D413FC6A973104231B92F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_13BE41684BCDDC56C5B9731042317D4C" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E0264A50526D413FC6A973104231B92F" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_RestrictedStockUnitsRSUsandPerformanceSharesMember" xlink:label="loc_adsk_RestrictedStockUnitsRSUsandPerformanceSharesMember_99E7608ED3A8520B12347310423103E3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E0264A50526D413FC6A973104231B92F" xlink:to="loc_adsk_RestrictedStockUnitsRSUsandPerformanceSharesMember_99E7608ED3A8520B12347310423103E3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PerformanceSharesMember" xlink:label="loc_us-gaap_PerformanceSharesMember_0218FE99249E0F0A08AD73104231BA98" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E0264A50526D413FC6A973104231B92F" xlink:to="loc_us-gaap_PerformanceSharesMember_0218FE99249E0F0A08AD73104231BA98" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_A3445849E486FE4D23B2731042313892" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4CC3B7D047060D69E87D73104231AA25" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_A3445849E486FE4D23B2731042313892" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_EBC701ED08B4AFF11DE1731042313D97" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_A3445849E486FE4D23B2731042313892" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_EBC701ED08B4AFF11DE1731042313D97" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_99D87EE6BA974EC4A89B731042315CDA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_A3445849E486FE4D23B2731042313892" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_99D87EE6BA974EC4A89B731042315CDA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_BDF8F4F0B8A34DB1FD2673104231AA27" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_A3445849E486FE4D23B2731042313892" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_BDF8F4F0B8A34DB1FD2673104231AA27" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_1F1F4E0826CCD5E8E8F873104231E5A0" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_A3445849E486FE4D23B2731042313892" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_1F1F4E0826CCD5E8E8F873104231E5A0" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentsInPeriod" xlink:label="loc_adsk_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentsInPeriod_892009105260FB36DBB773104231499C" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_A3445849E486FE4D23B2731042313892" xlink:to="loc_adsk_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentsInPeriod_892009105260FB36DBB773104231499C" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsWeightedAverageGrantDateFairValueRollForward" xlink:label="loc_adsk_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsWeightedAverageGrantDateFairValueRollForward_13EBC36875BA4E41772673104232EDA1" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4CC3B7D047060D69E87D73104231AA25" xlink:to="loc_adsk_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsWeightedAverageGrantDateFairValueRollForward_13EBC36875BA4E41772673104232EDA1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_83B503DE14BF8E9E747673104232ADA1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adsk_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsWeightedAverageGrantDateFairValueRollForward_13EBC36875BA4E41772673104232EDA1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_83B503DE14BF8E9E747673104232ADA1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_89E87D212F65A112A1A5731042324460" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adsk_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsWeightedAverageGrantDateFairValueRollForward_13EBC36875BA4E41772673104232EDA1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_89E87D212F65A112A1A5731042324460" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_67CFAB4A8E9F0D1751CB731042324C8B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adsk_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsWeightedAverageGrantDateFairValueRollForward_13EBC36875BA4E41772673104232EDA1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_67CFAB4A8E9F0D1751CB731042324C8B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_6DFBA8D80EAB7A412D09731042321DB5" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adsk_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsWeightedAverageGrantDateFairValueRollForward_13EBC36875BA4E41772673104232EDA1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_6DFBA8D80EAB7A412D09731042321DB5" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentsWeightedAverageGrantDateFairValue" xlink:label="loc_adsk_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentsWeightedAverageGrantDateFairValue_1EDAE61B9D9C4737E792731042324C6C" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_adsk_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsWeightedAverageGrantDateFairValueRollForward_13EBC36875BA4E41772673104232EDA1" xlink:to="loc_adsk_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentsWeightedAverageGrantDateFairValue_1EDAE61B9D9C4737E792731042324C6C" xlink:type="arc" />
    <link:loc xlink:href="adsk-20161031.xsd#adsk_PerformanceSharesUnitsPayoutPercentage" xlink:label="loc_adsk_PerformanceSharesUnitsPayoutPercentage_C87D168173626B7F1B1E73104232A236" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4CC3B7D047060D69E87D73104231AA25" xlink:to="loc_adsk_PerformanceSharesUnitsPayoutPercentage_C87D168173626B7F1B1E73104232A236" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.usa.autodesk.com/role/StockBasedCompensationExpenseTables" xlink:type="extended" />
</link:linkbase>