<?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>0001948181</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>


    </filerInfo>
  </headerData>
  <formData>
    <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>Lawson Jason T</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Morgan Stanley Smith Barney</name>
        <address>
          <com:street1>600 - 3 Avenue SW</com:street1>
          <com:street2>Suite 1500</com:street2>
          <com:city>Calgary</com:city>
          <com:stateOrCountry>Z4</com:stateOrCountry>
          <com:zipCode>A0 T2P 0G5</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>220</noOfUnitsSold>
      <aggregateMarketValue>31576.60</aggregateMarketValue>
      <noOfUnitsOutstanding>29091670</noOfUnitsOutstanding>
      <approxSaleDate>04/01/2024</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>03/30/2024</acquiredDate>
      <natureOfAcquisitionTransaction>Compensation for past service provided to Issuer</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Dycom Industries, Inc.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>220</amountOfSecuritiesAcquired>
      <paymentDate>03/30/2024</paymentDate>
      <natureOfPayment>past service provided to Issuer</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>04/01/2024</noticeDate>
      <signature>Jason T. Lawson</signature>
    </noticeSignature>
  </formData>
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144
0001948181
XXXXXXXX
LIVE
0000067215
DYCOM INDUSTRIES INC
001-10613
11780 U.S. HIGHWAY 1
SUITE 600
PALM BEACH GARDENS
FL
33408
561-627-7171
Lawson Jason T
Officer
Common Stock
Morgan Stanley Smith Barney
600 - 3 Avenue SW
Suite 1500
Calgary
Z4
A0 T2P 0G5
220
31576.60
29091670
04/01/2024
NYSE
Common
03/30/2024
Compensation for past service provided to Issuer
Dycom Industries, Inc.
N
220
03/30/2024
past service provided to Issuer
Y
04/01/2024
Jason T. Lawson