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  <xs:element id="wynn_EquityRepurchaseProgramMember" abstract="true" name="EquityRepurchaseProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_OtherCommitmentToBePaidYearsFourThroughTen" abstract="false" name="OtherCommitmentToBePaidYearsFourThroughTen" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_AssetsandLiabilitiesLesseeTableTextBlock" abstract="false" name="AssetsandLiabilitiesLesseeTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="wynn_WynnResortsLimited2014OmnibusIncentivePlanMember" abstract="true" name="WynnResortsLimited2014OmnibusIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_OtherCommitmentScenarioOneMember" abstract="true" name="OtherCommitmentScenarioOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_UsAndForeignUncertainTaxPositionsThatIncreaseNolAndForeignTaxCreditCarryforwardDeferredTaxAssets" abstract="false" name="UsAndForeignUncertainTaxPositionsThatIncreaseNolAndForeignTaxCreditCarryforwardDeferredTaxAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_WMLShareAwardPlanMember" abstract="true" name="WMLShareAwardPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_ComplementaryTaxRate" abstract="false" name="ComplementaryTaxRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wynn_LeaseLiabilitiesNoncurrentLesseeAbstract" abstract="true" name="LeaseLiabilitiesNoncurrentLesseeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wynn_TotalCustomerContractLiabilities" abstract="false" name="TotalCustomerContractLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_CorporateExpensesAndOther" abstract="false" name="CorporateExpensesAndOther" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_PublicStockOfferingMember" abstract="true" name="PublicStockOfferingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_PaymentsForDividendTaxAgreement" abstract="false" name="PaymentsForDividendTaxAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_IncreaseDecreaseinoutstandingchipsandfrontmoneydeposits" abstract="false" name="IncreaseDecreaseinoutstandingchipsandfrontmoneydeposits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="wynn_DebtInstrumentCovenantTermsMinimumLiquidityRequirement" abstract="false" name="DebtInstrumentCovenantTermsMinimumLiquidityRequirement" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_FiveAndOneOverEightPercentageWynnMacauLimitedSeniorNotesDueTwoThousandTwentyNineMember" abstract="true" name="FiveAndOneOverEightPercentageWynnMacauLimitedSeniorNotesDueTwoThousandTwentyNineMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_LasVegasOperationsMember" abstract="true" name="LasVegasOperationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_RecognizedTaxBenefitAxis" abstract="true" name="RecognizedTaxBenefitAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="wynn_CentralProvidentFundSystemMember" abstract="true" name="CentralProvidentFundSystemMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_NumberOfHotelTowers" abstract="false" name="NumberOfHotelTowers" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wynn_DefinedContributionPlanMinimumAnnualContributionsPerEmployeePercent" abstract="false" name="DefinedContributionPlanMinimumAnnualContributionsPerEmployeePercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wynn_WILOmnibusPlanMember" abstract="true" name="WILOmnibusPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_DividendTaxAgreementIncomeTaxExpenseBenefit" abstract="false" name="DividendTaxAgreementIncomeTaxExpenseBenefit" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_FiveAndFiveOverEightPercentageWynnMacauLimitedSeniorNotesDueTwoThousandTwentyEightMember" abstract="true" name="FiveAndFiveOverEightPercentageWynnMacauLimitedSeniorNotesDueTwoThousandTwentyEightMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_LessorOperatingLeaseSquareFootageOfSpaceLeased" abstract="false" name="LessorOperatingLeaseSquareFootageOfSpaceLeased" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:areaItemType"/>
  <xs:element id="wynn_IncreaseDecreaseInInventoriesPrepaidExpensesAndOtherCurrentAssets" abstract="false" name="IncreaseDecreaseInInventoriesPrepaidExpensesAndOtherCurrentAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_SummaryOfSignificantAccountingPoliciesLineItems" abstract="true" name="SummaryOfSignificantAccountingPoliciesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wynn_WynnResortsFinanceLLCMember" abstract="true" name="WynnResortsFinanceLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_OperatingLeaseBaseRentIncreaseTermDomain" abstract="true" name="OperatingLeaseBaseRentIncreaseTermDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_DeferredTaxAssetPreOpeningCostsNonCurrent" abstract="false" name="DeferredTaxAssetPreOpeningCostsNonCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_LossesOnExtinguishmentOfDebt" abstract="false" name="LossesOnExtinguishmentOfDebt" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="wynn_AdjustmentsToAdditionalPaidInCapitalAcquisition" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalAcquisition" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_FiveAndOneOverTwoPercentageWynnMacauLimitedSeniorNotesDueTwoThousandTwentySixMember" abstract="true" name="FiveAndOneOverTwoPercentageWynnMacauLimitedSeniorNotesDueTwoThousandTwentySixMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wynn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardMeasurementPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardMeasurementPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
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  <xs:element id="wynn_AccountsPayableCurrentAmountRelatedToPropertyPlantAndEquipment" abstract="false" name="AccountsPayableCurrentAmountRelatedToPropertyPlantAndEquipment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_NoncontrollingInterestTransactionsWithSubsidiaryMinorityShareholdersValue" abstract="false" name="NoncontrollingInterestTransactionsWithSubsidiaryMinorityShareholdersValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_LeaseAssetsLesseAbstract" abstract="true" name="LeaseAssetsLesseAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wynn_ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsLineItems" abstract="true" name="ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wynn_WynnResortsMacauMember" abstract="true" name="WynnResortsMacauMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="wynn_OperatingLeaseExpenseFixedAnnualIncreasePercentage" abstract="false" name="OperatingLeaseExpenseFixedAnnualIncreasePercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wynn_LeaseholdInterestInLandMember" abstract="true" name="LeaseholdInterestInLandMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_OtherCommitmentTrancheThreeMember" abstract="true" name="OtherCommitmentTrancheThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_FiveAndOneOverTwoPercentageWynnMacauLimitedSeniorNotesDueOctoberOneTwoThousandTwentySevenMember" abstract="true" name="FiveAndOneOverTwoPercentageWynnMacauLimitedSeniorNotesDueOctoberOneTwoThousandTwentySevenMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_OperatingLeaseBaseRentIncreaseRemainderOfLeaseTermMember" abstract="true" name="OperatingLeaseBaseRentIncreaseRemainderOfLeaseTermMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_MacauGamingConcessionMember" abstract="true" name="MacauGamingConcessionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_OtherCommitmentTrancheTwoMember" abstract="true" name="OtherCommitmentTrancheTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_IncomeLossFromContinuingOperationsBeforeIncomeTaxesAndMinorityInterest" abstract="false" name="IncomeLossFromContinuingOperationsBeforeIncomeTaxesAndMinorityInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_CommitmentsAndContingenciesLineItems" abstract="true" name="CommitmentsAndContingenciesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wynn_DeferredTaxAssetsAndLiabilitiesLineItems" abstract="true" name="DeferredTaxAssetsAndLiabilitiesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wynn_OwnershipPercentage" abstract="false" name="OwnershipPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wynn_RestrictedCashBankGuarantee" abstract="false" name="RestrictedCashBankGuarantee" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_AdditionalPaidInCapitalSubsidiaryStockIssuedDuringPeriodValueNewIssues" abstract="false" name="AdditionalPaidInCapitalSubsidiaryStockIssuedDuringPeriodValueNewIssues" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_OperatingLeaseBaseRentIncreaseFirstTenYearsMember" abstract="true" name="OperatingLeaseBaseRentIncreaseFirstTenYearsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="wynn_FourAndOneOverFourPercentageWynnLasVegasSeniorNotesDueMayThirtyTwoThousandTwentyThreeMember" abstract="true" name="FourAndOneOverFourPercentageWynnLasVegasSeniorNotesDueMayThirtyTwoThousandTwentyThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_NumberOfShowrooms" abstract="false" name="NumberOfShowrooms" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wynn_DebtInstrumentBasisSpreadOnVariableRateFloor" abstract="false" name="DebtInstrumentBasisSpreadOnVariableRateFloor" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wynn_RoomsMember" abstract="true" name="RoomsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_NumberOfRoomsInHotel" abstract="false" name="NumberOfRoomsInHotel" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wynn_AnnualAmortizationCurrentYearThrough2028Member" abstract="true" name="AnnualAmortizationCurrentYearThrough2028Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_TotalDeferredIncomeTaxExpenseBenefitFederalAndForeign" abstract="false" name="TotalDeferredIncomeTaxExpenseBenefitFederalAndForeign" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermOfPlan" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardTermOfPlan" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="wynn_FurnitureFixturesAndEquipmentMember" abstract="true" name="FurnitureFixturesAndEquipmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_PaymentsForIntangibleAssetsAndOtherAssets" abstract="false" name="PaymentsForIntangibleAssetsAndOtherAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="wynn_OtherCommitmentScenarioTwoMember" abstract="true" name="OtherCommitmentScenarioTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="wynn_WMCaymanIIRevolverDue2025Member" abstract="true" name="WMCaymanIIRevolverDue2025Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_SevenAndOneOverEightPercentageSeniorNotesDue2031Member" abstract="true" name="SevenAndOneOverEightPercentageSeniorNotesDue2031Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_WynnInteractiveMember" abstract="true" name="WynnInteractiveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="wynn_OtherAccruedLiabilitiesCurrentAmountRelatedToDividendsPayableOnUnvestedRestrictedStock" abstract="false" name="OtherAccruedLiabilitiesCurrentAmountRelatedToDividendsPayableOnUnvestedRestrictedStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_WMCaymanHoldingsLimitedIIMember" abstract="true" name="WMCaymanHoldingsLimitedIIMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_TaxCreditCarryforwardExpiresat2025memberMember" abstract="true" name="TaxCreditCarryforwardExpiresat2025memberMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_EffectiveIncomeTaxRateReconciliationTaxCreditNetOfValuationAllowanceForeignPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationTaxCreditNetOfValuationAllowanceForeignPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
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  <xs:element id="wynn_LeaseAmortizationDomain" abstract="true" name="LeaseAmortizationDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_WaterRightsAndOtherMember" abstract="true" name="WaterRightsAndOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="wynn_WynnLasVegasLLCandWynnLasVegasCapitalCorpMember" abstract="true" name="WynnLasVegasLLCandWynnLasVegasCapitalCorpMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_OperatingLeaseBaseRentIncreaseTermAxis" abstract="true" name="OperatingLeaseBaseRentIncreaseTermAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="wynn_WynnCAPlazaPropertyOwnerLLCAndWynnCAPropertyOwnerLLCMember" abstract="true" name="WynnCAPlazaPropertyOwnerLLCAndWynnCAPropertyOwnerLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_SpecialGamingTaxOnGrossRevenue" abstract="false" name="SpecialGamingTaxOnGrossRevenue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wynn_IntangibleAssetsOtherLiabilitiesIncurred" abstract="false" name="IntangibleAssetsOtherLiabilitiesIncurred" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_CrownAcquisitionsIncMember" abstract="true" name="CrownAcquisitionsIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_LeaseAmortizationAxis" abstract="true" name="LeaseAmortizationAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="wynn_Advancedroomdepositsandticketsales" abstract="false" name="Advancedroomdepositsandticketsales" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_FunctionalAreaSquareFootageUnderConstruction" abstract="false" name="FunctionalAreaSquareFootageUnderConstruction" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:areaItemType"/>
  <xs:element id="wynn_DeferredTaxAssetDisallowedInterestExpenseCarryforwards" abstract="false" name="DeferredTaxAssetDisallowedInterestExpenseCarryforwards" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_LesseeOperatingLeaseNumberofAcresofUndevelopedLand" abstract="false" name="LesseeOperatingLeaseNumberofAcresofUndevelopedLand" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:areaItemType"/>
  <xs:element id="wynn_EntertainmentRetailAndOtherMember" abstract="true" name="EntertainmentRetailAndOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsTable" abstract="true" name="ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="wynn_OtherCommitmentToBePaidYearsOneThroughThree" abstract="false" name="OtherCommitmentToBePaidYearsOneThroughThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_OtherCommitmentSpecialLeviesPercentageOfGrossRevenue" abstract="false" name="OtherCommitmentSpecialLeviesPercentageOfGrossRevenue" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wynn_DeferredTaxAssetReceivableInventoriesAccruedLiabilitiesAndOther" abstract="false" name="DeferredTaxAssetReceivableInventoriesAccruedLiabilitiesAndOther" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_FiniteLivedIntangibleAssetsAmortizationExpenseFinalYear" abstract="false" name="FiniteLivedIntangibleAssetsAmortizationExpenseFinalYear" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_IntangibleAssetsMember" abstract="true" name="IntangibleAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_OtherCommitmentTrancheFiveMember" abstract="true" name="OtherCommitmentTrancheFiveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_SaleofStockUnderwritingDiscounts" abstract="false" name="SaleofStockUnderwritingDiscounts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_MacauOperationsMember" abstract="true" name="MacauOperationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_Changeintotalcustomercontractliabilities" abstract="false" name="Changeintotalcustomercontractliabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_RetailTermLoanAgreementMember" abstract="true" name="RetailTermLoanAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_LongTermDebtExcludingRedemptionNote" abstract="false" name="LongTermDebtExcludingRedemptionNote" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_WynnPalaceMember" abstract="true" name="WynnPalaceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_PropertyChargesandOther" abstract="false" name="PropertyChargesandOther" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_WMCaymanIIRevolverDue2025Tranche2Member" abstract="true" name="WMCaymanIIRevolverDue2025Tranche2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_ProjectAbandonmentCosts" abstract="false" name="ProjectAbandonmentCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_SouthernNevadaCulinaryandBartendersPensionPlanMember" abstract="true" name="SouthernNevadaCulinaryandBartendersPensionPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_RefinancingTransactionsMember" abstract="true" name="RefinancingTransactionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_RetailLeasesAndOtherMember" abstract="true" name="RetailLeasesAndOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_RevenueRecognitionTextBlock" abstract="false" name="RevenueRecognitionTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="wynn_BetbullTransactionMember" abstract="true" name="BetbullTransactionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_WynnMacauMember" abstract="true" name="WynnMacauMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_IntangibleAssetsLineItems" abstract="true" name="IntangibleAssetsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wynn_DebtInstrumentCovenantPercentageofTotalAssets" abstract="false" name="DebtInstrumentCovenantPercentageofTotalAssets" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wynn_AccountsReceivableAllowanceForCreditLossEffectOfExchangeRate" abstract="false" name="AccountsReceivableAllowanceForCreditLossEffectOfExchangeRate" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_InterestRateCollarMember" abstract="true" name="InterestRateCollarMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_WMLShareOptionPlanMember" abstract="true" name="WMLShareOptionPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_FiveAndOneOverEightPercentageSeniorNotesDue2029Member" abstract="true" name="FiveAndOneOverEightPercentageSeniorNotesDue2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_NumberOfFacilities" abstract="false" name="NumberOfFacilities" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wynn_OtherMacauMember" abstract="true" name="OtherMacauMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_OtherCommitmentGamingPremiumAverageGrossTableGamingRevenueMinimum" abstract="false" name="OtherCommitmentGamingPremiumAverageGrossTableGamingRevenueMinimum" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_IncomeTaxesLineItems" abstract="true" name="IncomeTaxesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wynn_ScheduleOfIntangibleAssetsTable" abstract="true" name="ScheduleOfIntangibleAssetsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="wynn_LeaseLiabilitiesCurrentLesseeAbstract" abstract="true" name="LeaseLiabilitiesCurrentLesseeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
</xs:schema>
