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>0001700271</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000079879</issuerCik>
        <issuerName>PPG INDUSTRIES INC</issuerName>
        <secFileNumber>001-01687</secFileNumber>
        <issuerAddress>
          <com:street1>ONE PPG PL 40 EAST</com:street1>
          <com:city>PITTSBURGH</com:city>
          <com:stateOrCountry>PA</com:stateOrCountry>
          <com:zipCode>15272</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>4124343131</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Morales Vincent J</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Merrill Lynch</name>
          <address>
            <com:street1>225 Liberty St</com:street1>
            <com:street2>Floor 37</com:street2>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10281</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>3700</noOfUnitsSold>
        <aggregateMarketValue>530321.00</aggregateMarketValue>
        <noOfUnitsOutstanding>235513001</noOfUnitsOutstanding>
        <approxSaleDate>08/01/2023</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>08/01/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Exercise of employee stock options</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>PPG INDUSTRIES INC</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>3700</amountOfSecuritiesAcquired>
        <paymentDate>08/01/2023</paymentDate>
        <natureOfPayment>Broker assisted cashless exercise</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>08/01/2023</noticeDate>
        <planAdoptionDates>
          <planAdoptionDate>01/27/2023</planAdoptionDate>
        </planAdoptionDates>
        <signature>Vincent Morales</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 2905}]
text: 144
  0001700271
  XXXXXXXX
  LIVE
  0000079879
  PPG INDUSTRIES INC
  001-01687
  ONE PPG PL 40 EAST
  PITTSBURGH
  PA
  15272
  4124343131
  Morales Vincent J
  Officer
  Common Stock
  Merrill Lynch
  225 Liberty St
  Floor 37
  New York
  NY
  10281
  3700
  530321.00
  235513001
  08/01/2023
  NYSE
  Common Stock
  08/01/2023
  Exercise of employee stock options
  PPG INDUSTRIES INC
  N
  3700
  08/01/2023
  Broker assisted cashless exercise
  Y
  08/01/2023
  01/27/2023
  Vincent Morales