<?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>0001483558</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000712537</issuerCik>
      <issuerName>FIRST COMMONWEALTH FINANCIAL CORP /PA/</issuerName>
      <secFileNumber>001-11138</secFileNumber>
      <issuerAddress>
        <com:street1>601 PHILADELPHIA STREET</com:street1>
        <com:city>INDIANA</com:city>
        <com:stateOrCountry>PA</com:stateOrCountry>
        <com:zipCode>15701</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>7243497220</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Grebenc Jane</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>TD Securities (USA) LLC</name>
        <address>
          <com:street1>125 Park Avenue, 20th Floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10017</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>15000</noOfUnitsSold>
      <aggregateMarketValue>329250.00</aggregateMarketValue>
      <noOfUnitsOutstanding>101101529</noOfUnitsOutstanding>
      <approxSaleDate>08/05/2026</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>02/05/2019</acquiredDate>
      <natureOfAcquisitionTransaction>Awards issued under the 2016-2018 Long-Term Incentive Plan</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>First Commonwealth Financial Corporation</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>15000</amountOfSecuritiesAcquired>
      <paymentDate>02/05/2019</paymentDate>
      <natureOfPayment>Equity Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>08/05/2026</noticeDate>
      <signature>/s/ Matthew C. Tomb POA for Jane Grebenc</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
