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          <filerCredentials>
            <cik>0001438852</cik>
            <ccc>XXXXXXXX</ccc>
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        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
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      <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>MCGARRY MICHAEL H</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Executive Chairman</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Private Executive Services</name>
          <address>
            <com:street1>225 Liberty Street</com:street1>
            <com:street2>37th Floor</com:street2>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10281</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>163378</noOfUnitsSold>
        <aggregateMarketValue>24018199.78</aggregateMarketValue>
        <noOfUnitsOutstanding>235513001</noOfUnitsOutstanding>
        <approxSaleDate>07/25/2023</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>07/25/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Exercise of Employee Stock Options</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>163378</amountOfSecuritiesAcquired>
        <paymentDate>07/25/2023</paymentDate>
        <natureOfPayment>Broker assisted exercise of employee stock options</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>07/25/2023</noticeDate>
        <signature>Michael McGarry</signature>
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text: 144
  0001438852
  XXXXXXXX
  LIVE
  0000079879
  PPG INDUSTRIES INC
  001-01687
  ONE PPG PL 40 EAST
  PITTSBURGH
  PA
  15272
  4124343131
  MCGARRY MICHAEL H
  Executive Chairman
  Common Stock
  Private Executive Services
  225 Liberty Street
  37th Floor
  New York
  NY
  10281
  163378
  24018199.78
  235513001
  07/25/2023
  NYSE
  Common Stock
  07/25/2023
  Exercise of Employee Stock Options
  Issuer
  N
  163378
  07/25/2023
  Broker assisted exercise of employee stock options
  Y
  07/25/2023
  Michael McGarry