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  <xs:element id="panw_StockIssuedDuringPeriodSharesSettlementofWarrants" abstract="false" name="StockIssuedDuringPeriodSharesSettlementofWarrants" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="panw_StockIssuedDuringPeriodValueSettlementOfWarrants" abstract="false" name="StockIssuedDuringPeriodValueSettlementOfWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="panw_ConvertibleSeniorNotesDue2030Member" abstract="true" name="ConvertibleSeniorNotesDue2030Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="panw_DebtInstrumentFaceAmountSurrenderedToConversion" abstract="false" name="DebtInstrumentFaceAmountSurrenderedToConversion" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="panw_ChangeInFairValueOfConvertibleSeniorNotes" abstract="false" name="ChangeInFairValueOfConvertibleSeniorNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="panw_ChangesInFairValueAttributableToInstrumentSpecificCreditRisk" abstract="false" name="ChangesInFairValueAttributableToInstrumentSpecificCreditRisk" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="panw_LineofCreditFacilityOptionforAdditionalBorrowingCapacity1" abstract="false" name="LineofCreditFacilityOptionforAdditionalBorrowingCapacity1" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="panw_NumberOfLeaseAmendments" abstract="false" name="NumberOfLeaseAmendments" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="panw_CloudMember" abstract="true" name="CloudMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="panw_OtherPurchaseObligationMember" abstract="true" name="OtherPurchaseObligationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="panw_UnrecordedUnconditionalPurchaseObligationDueAfterFourYears" abstract="false" name="UnrecordedUnconditionalPurchaseObligationDueAfterFourYears" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="panw_ServiceProviderPurchaseCommitmentMember" abstract="true" name="ServiceProviderPurchaseCommitmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="panw_StockRepurchaseProgramAdditionalAuthorizedAmount" abstract="false" name="StockRepurchaseProgramAdditionalAuthorizedAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="panw_StockRepurchasedDuringPeriodWeightedAveragePricePerShare" abstract="false" name="StockRepurchasedDuringPeriodWeightedAveragePricePerShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="panw_PerformanceStockUnitsPSUsMember" abstract="true" name="PerformanceStockUnitsPSUsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="panw_ChronosphereCyberArkAndKoiMember" abstract="true" name="ChronosphereCyberArkAndKoiMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="panw_PerformanceStockOptionsWithServiceAndMarketConditionsMember" abstract="true" name="PerformanceStockOptionsWithServiceAndMarketConditionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="panw_FiscalYear2018Member" abstract="true" name="FiscalYear2018Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="panw_FiscalYear2019Member" abstract="true" name="FiscalYear2019Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="panw_PerformanceStockUnitsPSUsSubjectToServicePerformanceAndMarketConditionsMember" abstract="true" name="PerformanceStockUnitsPSUsSubjectToServicePerformanceAndMarketConditionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="panw_CyberArkAndKoiMember" abstract="true" name="CyberArkAndKoiMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="panw_RestrictedStockUnitsRSUsandPerformanceStockUnitsPSUsMember" abstract="true" name="RestrictedStockUnitsRSUsandPerformanceStockUnitsPSUsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
