content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001379831</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001212545</issuerCik>
        <issuerName>WESTERN ALLIANCE BANCORPORATION</issuerName>
        <secFileNumber>001-32550</secFileNumber>
        <issuerAddress>
          <com:street1>ONE E. WASHINGTON STREET</com:street1>
          <com:city>PHOENIX</com:city>
          <com:stateOrCountry>AZ</com:stateOrCountry>
          <com:zipCode>85004</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>602-389-3500</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Kennedy Barbara</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Merrill Lynch</name>
          <address>
            <com:street1>3455 Peachtree Road NE</com:street1>
            <com:street2>STE 1000</com:street2>
            <com:city>Atlanta</com:city>
            <com:stateOrCountry>GA</com:stateOrCountry>
            <com:zipCode>30326</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>11083</noOfUnitsSold>
        <aggregateMarketValue>904305.53</aggregateMarketValue>
        <noOfUnitsOutstanding>110086404</noOfUnitsOutstanding>
        <approxSaleDate>08/26/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/07/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of a Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WESTERN ALLIANCE BANCORPORATION</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>1129</amountOfSecuritiesAcquired>
        <paymentDate>02/07/2023</paymentDate>
        <natureOfPayment>Compensatory Payment</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/09/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of a Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WESTERN ALLIANCE BANCORPORATION</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>922</amountOfSecuritiesAcquired>
        <paymentDate>02/09/2023</paymentDate>
        <natureOfPayment>Compensatory Payment</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/15/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of a Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WESTERN ALLIANCE BANCORPORATION</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>4323</amountOfSecuritiesAcquired>
        <paymentDate>02/15/2023</paymentDate>
        <natureOfPayment>Compensatory Payment</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/08/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of a Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WESTERN ALLIANCE BANCORPORATION</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>734</amountOfSecuritiesAcquired>
        <paymentDate>02/08/2024</paymentDate>
        <natureOfPayment>Compensatory Payment</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/09/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of a Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WESTERN ALLIANCE BANCORPORATION</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>883</amountOfSecuritiesAcquired>
        <paymentDate>02/09/2024</paymentDate>
        <natureOfPayment>Compensatory Payment</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/15/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of a Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WESTERN ALLIANCE BANCORPORATION</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>3092</amountOfSecuritiesAcquired>
        <paymentDate>02/15/2024</paymentDate>
        <natureOfPayment>02/09/2024</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>08/26/2024</noticeDate>
        <signature>Barbara Kennedy</signature>
      </noticeSignature>
    </formData>
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text: 144
  0001379831
  XXXXXXXX
  LIVE
  0001212545
  WESTERN ALLIANCE BANCORPORATION
  001-32550
  ONE E. WASHINGTON STREET
  PHOENIX
  AZ
  85004
  602-389-3500
  Kennedy Barbara
  Officer
  Common
  Merrill Lynch
  3455 Peachtree Road NE
  STE 1000
  Atlanta
  GA
  30326
  11083
  904305.53
  110086404
  08/26/2024
  NYSE
  Common
  02/07/2023
  Vesting of a Stock Award
  WESTERN ALLIANCE BANCORPORATION
  N
  1129
  02/07/2023
  Compensatory Payment
  Common
  02/09/2023
  Vesting of a Stock Award
  WESTERN ALLIANCE BANCORPORATION
  N
  922
  02/09/2023
  Compensatory Payment
  Common
  02/15/2023
  Vesting of a Stock Award
  WESTERN ALLIANCE BANCORPORATION
  N
  4323
  02/15/2023
  Compensatory Payment
  Common
  02/08/2024
  Vesting of a Stock Award
  WESTERN ALLIANCE BANCORPORATION
  N
  734
  02/08/2024
  Compensatory Payment
  Common
  02/09/2024
  Vesting of a Stock Award
  WESTERN ALLIANCE BANCORPORATION
  N
  883
  02/09/2024
  Compensatory Payment
  Common
  02/15/2024
  Vesting of a Stock Award
  WESTERN ALLIANCE BANCORPORATION
  N
  3092
  02/15/2024
  02/09/2024
  Y
  08/26/2024
  Barbara Kennedy