content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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  <submissionType>144</submissionType>
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  <filer>
  <filerCredentials>
  <cik>0001224025</cik>
  <ccc>XXXXXXXX</ccc>
  </filerCredentials>
  </filer>
  <liveTestFlag>LIVE</liveTestFlag>
  </filerInfo>
  </headerData>
  <formData>
  <issuerInfo>
  <issuerCik>0000110621</issuerCik>
  <issuerName>RPM International Inc.</issuerName>
  <secFileNumber>001-14187</secFileNumber>
  <issuerAddress>
  <street1 xmlns="http://www.sec.gov/edgar/common">c/o RPM International Inc</street1>
  <street2 xmlns="http://www.sec.gov/edgar/common">2628 Pearl Road</street2>
  <city xmlns="http://www.sec.gov/edgar/common">Medina</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">OH</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">44256</zipCode>
  </issuerAddress>
  <issuerContactPhone>330-273-5090</issuerContactPhone>
  <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Frank C. Sullivan, co-trustee of Thomas C. Sullivan Trust, as Amended, and Thomas C. and Sandra A. Sullivan Grandchildren Trusts</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
  <relationshipsToIssuer>
  <relationshipToIssuer>Chairman and CEO</relationshipToIssuer>
  </relationshipsToIssuer>
  </issuerInfo>
  <securitiesInformation>
  <securitiesClassTitle>Common Stock, $0.01 par value</securitiesClassTitle>
  <brokerOrMarketmakerDetails>
  <name>Janney Montgomery Scott LLC</name>
  <address>
  <street1 xmlns="http://www.sec.gov/edgar/common">5005 Rockside Road, #215</street1>
  <city xmlns="http://www.sec.gov/edgar/common">Independence</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">OH</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">44131</zipCode>
  </address>
  </brokerOrMarketmakerDetails>
  <noOfUnitsSold>29205</noOfUnitsSold>
  <aggregateMarketValue>3086970</aggregateMarketValue>
  <noOfUnitsOutstanding>129051521</noOfUnitsOutstanding>
  <approxSaleDate>08/02/2023</approxSaleDate>
  <securitiesExchangeName>NYSE</securitiesExchangeName>
  </securitiesInformation>
  <securitiesToBeSold>
  <securitiesClassTitle>Common Stock, $0.01 par value</securitiesClassTitle>
  <acquiredDate>12/01/2020</acquiredDate>
  <natureOfAcquisitionTransaction>Acquired from time to time by the Thomas C. Sullivan Trust dated December 14, 1987, as amended, and the Thomas C. and Sandra A. Grandchildren Trusts, for which Frank C. Sullivan is co-trustee</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>RPM International Inc.</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>29205</amountOfSecuritiesAcquired>
  <paymentDate>12/01/2020</paymentDate>
  <natureOfPayment>N/A</natureOfPayment>
  </securitiesToBeSold>
  <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
  <noticeSignature>
  <noticeDate>08/02/2023</noticeDate>
  <signature>/s/ Gregory S. Harvey, as Attorney-in-Fact for Frank C. Sullivan</signature>
  </noticeSignature>
  </formData>
  </edgarSubmission>
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text: 144
  0001224025
  XXXXXXXX
  LIVE
  0000110621
  RPM International Inc.
  001-14187
  c/o RPM International Inc
  2628 Pearl Road
  Medina
  OH
  44256
  330-273-5090
  Frank C. Sullivan, co-trustee of Thomas C. Sullivan Trust, as Amended, and Thomas C. and Sandra A. Sullivan Grandchildren Trusts
  Chairman and CEO
  Common Stock, $0.01 par value
  Janney Montgomery Scott LLC
  5005 Rockside Road, #215
  Independence
  OH
  44131
  29205
  3086970
  129051521
  08/02/2023
  NYSE
  Common Stock, $0.01 par value
  12/01/2020
  Acquired from time to time by the Thomas C. Sullivan Trust dated December 14, 1987, as amended, and the Thomas C. and Sandra A. Grandchildren Trusts, for which Frank C. Sullivan is co-trustee
  RPM International Inc.
  N
  29205
  12/01/2020
  N/A
  Y
  08/02/2023
  /s/ Gregory S. Harvey, as Attorney-in-Fact for Frank C. Sullivan