<?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>0001247582</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000932696</issuerCik>
      <issuerName>INSIGHT ENTERPRISES INC</issuerName>
      <secFileNumber>000-25092</secFileNumber>
      <issuerAddress>
        <com:street1>2701 E INSIGHT WAY</com:street1>
        <com:city>CHANDLER</com:city>
        <com:stateOrCountry>AZ</com:stateOrCountry>
        <com:zipCode>85286</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>480-889-9500</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>ALLEN RICHARD E</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab Corporation</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>10000</noOfUnitsSold>
      <aggregateMarketValue>1861700.00</aggregateMarketValue>
      <noOfUnitsOutstanding>32590162</noOfUnitsOutstanding>
      <approxSaleDate>02/27/2024</approxSaleDate>
      <securitiesExchangeName>Nasdaq</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>05/18/2018</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Unit</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1925</amountOfSecuritiesAcquired>
      <paymentDate>05/18/2018</paymentDate>
      <natureOfPayment>Equity Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <remarks>Table I acquisition and payment dates: 05/18/2018 through 05/22/2022 RSS Units.
Sale for Allen Family Trust - Richard and Lorie Allen Trustees</remarks>
    <noticeSignature>
      <noticeDate>02/27/2024</noticeDate>
      <signature>Richard E Allen</signature>
    </noticeSignature>
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144
0001247582
XXXXXXXX
LIVE
0000932696
INSIGHT ENTERPRISES INC
000-25092
2701 E INSIGHT WAY
CHANDLER
AZ
85286
480-889-9500
ALLEN RICHARD E
Director
Common
Charles Schwab Corporation
3000 Schwab Way
Westlake
TX
76262
10000
1861700.00
32590162
02/27/2024
Nasdaq
Common
05/18/2018
Restricted Stock Unit
Issuer
N
1925
05/18/2018
Equity Compensation
Y
Table I acquisition and payment dates: 05/18/2018 through 05/22/2022 RSS Units.
Sale for Allen Family Trust - Richard and Lorie Allen Trustees
02/27/2024
Richard E Allen