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  <xs:element id="wynn_NetIncomeLossAvailableCommonStockholdersBasicAndDilutedAbstract" abstract="true" name="NetIncomeLossAvailableCommonStockholdersBasicAndDilutedAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wynn_AssumedConversionOfWMLConvertibleBonds" abstract="false" name="AssumedConversionOfWMLConvertibleBonds" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="wynn_WeightedAverageNumberOfSharesOutstandingBasicAndDilutedAbstract" abstract="true" name="WeightedAverageNumberOfSharesOutstandingBasicAndDilutedAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wynn_WynnAlMarjanIslandMember" abstract="true" name="WynnAlMarjanIslandMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_DelayedDrawSecuredTermLoanFacilityMember" abstract="true" name="DelayedDrawSecuredTermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_WynnAlMarjanIslandFZLLCMember" abstract="true" name="WynnAlMarjanIslandFZLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_JanuAlMarjanIslandMember" abstract="true" name="JanuAlMarjanIslandMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_PaymentsForContributedCapital" abstract="false" name="PaymentsForContributedCapital" nillable="true" xbrli:periodType="duration" 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_WynnMacauMember" abstract="true" name="WynnMacauMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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_LasVegasOperationsMember" abstract="true" name="LasVegasOperationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_EncoreBostonHarborMember" abstract="true" name="EncoreBostonHarborMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_GamingTaxExpensesIncludingTableAndSlotLicenseFees" abstract="false" name="GamingTaxExpensesIncludingTableAndSlotLicenseFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_AdjustedPropertyEbitdar" abstract="false" name="AdjustedPropertyEbitdar" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_OtherOperatingCostsAndExpensesAbstract" abstract="true" name="OtherOperatingCostsAndExpensesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <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_OperatingLeaseTripleNetCost" abstract="false" name="OperatingLeaseTripleNetCost" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_FederalInvestigationMember" abstract="true" name="FederalInvestigationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_SecuritiesClassActionMember" abstract="true" name="SecuritiesClassActionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_WynnInteractivesDigitalSportsBettingAndCasinoGamingBusinessMember" abstract="true" name="WynnInteractivesDigitalSportsBettingAndCasinoGamingBusinessMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wynn_CapitalizedProjectCostsExpense" abstract="false" name="CapitalizedProjectCostsExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wynn_OtherMacauMember" abstract="true" name="OtherMacauMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
