<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
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    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001232615</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



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    <issuerInfo>
      <issuerCik>0000067215</issuerCik>
      <issuerName>DYCOM INDUSTRIES INC</issuerName>
      <secFileNumber>001-10613</secFileNumber>
      <issuerAddress>
        <com:street1>11780 U.S. HIGHWAY 1</com:street1>
        <com:street2>SUITE 600</com:street2>
        <com:city>PALM BEACH GARDENS</com:city>
        <com:stateOrCountry>FL</com:stateOrCountry>
        <com:zipCode>33408</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>561-627-7171</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>DUKE DWIGHT B</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Former Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab &amp; Co., Inc.</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>2702</noOfUnitsSold>
      <aggregateMarketValue>284534.00</aggregateMarketValue>
      <noOfUnitsOutstanding>29325154</noOfUnitsOutstanding>
      <approxSaleDate>06/15/2023</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>06/13/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Option Exercise</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>2702</amountOfSecuritiesAcquired>
      <paymentDate>06/13/2023</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Dwight B Duke</name>
        <address>
          <com:street1>824 Ponte Vedra Blvd</com:street1>
          <com:city>Ponte Vedra Beach</com:city>
          <com:stateOrCountry>FL</com:stateOrCountry>
          <com:zipCode>32082</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>06/14/2023</saleDate>
      <amountOfSecuritiesSold>4312</amountOfSecuritiesSold>
      <grossProceeds>451767.88</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>06/15/2023</noticeDate>
      <signature>Dwight B Duke</signature>
    </noticeSignature>
  </formData>
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144
0001232615
XXXXXXXX
LIVE
0000067215
DYCOM INDUSTRIES INC
001-10613
11780 U.S. HIGHWAY 1
SUITE 600
PALM BEACH GARDENS
FL
33408
561-627-7171
DUKE DWIGHT B
Former Director
Common
Charles Schwab & Co., Inc.
3000 Schwab Way
Westlake
TX
76262
2702
284534.00
29325154
06/15/2023
NYSE
Common
06/13/2023
Stock Option Exercise
Issuer
N
2702
06/13/2023
Cash
N
Dwight B Duke
824 Ponte Vedra Blvd
Ponte Vedra Beach
FL
32082
Common
06/14/2023
4312
451767.88
06/15/2023
Dwight B Duke