<?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>0001224025</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000110621</issuerCik>
      <issuerName>RPM INTERNATIONAL INC/DE/</issuerName>
      <secFileNumber>001-14187</secFileNumber>
      <issuerAddress>
        <com:street1>2628 PEARL RD</com:street1>
        <com:street2>P O BOX 777</com:street2>
        <com:city>MEDINA</com:city>
        <com:stateOrCountry>OH</com:stateOrCountry>
        <com:zipCode>44258</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>3302735090</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>SULLIVAN FRANK C</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Wells Fargo Clearing Services</name>
        <address>
          <com:street1>One North Jefferson Avenue</com:street1>
          <com:city>St. Louis</com:city>
          <com:stateOrCountry>MO</com:stateOrCountry>
          <com:zipCode>63103</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>57083</noOfUnitsSold>
      <aggregateMarketValue>6618958.14</aggregateMarketValue>
      <noOfUnitsOutstanding>128797008</noOfUnitsOutstanding>
      <approxSaleDate>08/16/2024</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>08/15/2024</acquiredDate>
      <natureOfAcquisitionTransaction>SARS Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>57083</amountOfSecuritiesAcquired>
      <paymentDate>08/15/2024</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>08/16/2024</noticeDate>
      <signature>Frank Sullivan</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
[{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 2811}]
144
0001224025
XXXXXXXX
LIVE
0000110621
RPM INTERNATIONAL INC/DE/
001-14187
2628 PEARL RD
P O BOX 777
MEDINA
OH
44258
3302735090
SULLIVAN FRANK C
Officer
Director
Common
Wells Fargo Clearing Services
One North Jefferson Avenue
St. Louis
MO
63103
57083
6618958.14
128797008
08/16/2024
NYSE
Common
08/15/2024
SARS Vesting
Issuer
N
57083
08/15/2024
N/A
Y
08/16/2024
Frank Sullivan