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  <xsd:element abstract="true" id="wynn_MandatoryPrepaymentsofIndebtednessEqualto50PercentofExcessCashFlowPriortoOpeningofEncoreBostonHarborMember" name="MandatoryPrepaymentsofIndebtednessEqualto50PercentofExcessCashFlowPriortoOpeningofEncoreBostonHarborMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_NetIncomeLossAvailableCommonStockholdersBasicAndDilutedAbstract" name="NetIncomeLossAvailableCommonStockholdersBasicAndDilutedAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_NevadaGamingControlBoardFineMember" name="NevadaGamingControlBoardFineMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wynn_OperatingLeaseRightofUseAssetLeaseLiabilityNet" name="OperatingLeaseRightofUseAssetLeaseLiabilityNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="wynn_OperatingLeaseRightofuseAssetAmortization" name="OperatingLeaseRightofuseAssetAmortization" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureLineItems" name="OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTable" name="OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_OtherMacauMember" name="OtherMacauMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_OtherOperatingCostsAndExpensesAbstract" name="OtherOperatingCostsAndExpensesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="wynn_Othergamingrelatedliabilities" name="Othergamingrelatedliabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="wynn_PreOpeningCostsExcludedfromSharebasedCompensation" name="PreOpeningCostsExcludedfromSharebasedCompensation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="wynn_PreOpeningExpensesPolicyPolicyTextBlock" name="PreOpeningExpensesPolicyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_PreopeningMember" name="PreopeningMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wynn_ProjectAbandonmentCosts" name="ProjectAbandonmentCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="wynn_PropertyChargesandOther" name="PropertyChargesandOther" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="wynn_RedemptionNotesettlementcreditriskadjustment" name="RedemptionNotesettlementcreditriskadjustment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_RetailJointVentureMember" name="RetailJointVentureMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_RetailLeasesAndOtherMember" name="RetailLeasesAndOtherMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_RetailTermLoanAgreementMember" name="RetailTermLoanAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wynn_RevenueRecognitionTextBlock" name="RevenueRecognitionTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_RoomsMember" name="RoomsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="wynn_ScheduleofCustomerContractLiabilitiesTableTextBlock" name="ScheduleofCustomerContractLiabilitiesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_ScheduleofDisaggregationofRevenuesandContractLiabilitiesLineItems" name="ScheduleofDisaggregationofRevenuesandContractLiabilitiesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_ScheduleofDisaggregationofRevenuesandContractLiabilitiesTable" name="ScheduleofDisaggregationofRevenuesandContractLiabilitiesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="wynn_ScheduleofDisaggregationofRevenuesandContractLiabilitiesTableTextBlock" name="ScheduleofDisaggregationofRevenuesandContractLiabilitiesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_SeniorRevolvingCreditFacilityDueSeptember2020Domain" name="SeniorRevolvingCreditFacilityDueSeptember2020Domain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_SeniorTermLoanFacilityDue2021Member" name="SeniorTermLoanFacilityDue2021Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_SeniorTermLoanFacilityDueSeptember2021Member" name="SeniorTermLoanFacilityDueSeptember2021Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_SummaryOfSignificantAccountingPoliciesLineItems" name="SummaryOfSignificantAccountingPoliciesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_SummaryOfSignificantAccountingPoliciesTable" name="SummaryOfSignificantAccountingPoliciesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="wynn_TaxExemptionPeriod" name="TaxExemptionPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="wynn_TotalCustomerContractLiabilities" name="TotalCustomerContractLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="wynn_WRLTermLoanIIMember" name="WRLTermLoanIIMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_WRLTermLoanIMember" name="WRLTermLoanIMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_WeightedAverageNumberOfSharesOutstandingBasicAndDilutedAbstract" name="WeightedAverageNumberOfSharesOutstandingBasicAndDilutedAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_WynnAmericaMember" name="WynnAmericaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_WynnBostonHarborMember" name="WynnBostonHarborMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_WynnCAPlazaPropertyOwnerLLCAndWynnCAPropertyOwnerLLCMember" name="WynnCAPlazaPropertyOwnerLLCAndWynnCAPropertyOwnerLLCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_WynnLasVegasLLCandWynnLasVegasCapitalCorpMember" name="WynnLasVegasLLCandWynnLasVegasCapitalCorpMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_WynnLasVegasMember" name="WynnLasVegasMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_WynnMacauLimitedMember" name="WynnMacauLimitedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_WynnMacauMember" name="WynnMacauMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_WynnPalaceMember" name="WynnPalaceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_WynnPalaceandWynnMacauMember" name="WynnPalaceandWynnMacauMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="wynn_WynnResortsTermLoanMember" name="WynnResortsTermLoanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
