<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/nport" xmlns:com="http://www.sec.gov/edgar/common" xmlns:ncom="http://www.sec.gov/edgar/nportcommon" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <headerData>
    <submissionType>NPORT-P</submissionType>
    <isConfidential>false</isConfidential>
    <filerInfo>

      <filer>
        <issuerCredentials>
          <cik>0001976517</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


      <seriesClassInfo>
        <seriesId>S000088757</seriesId>
        <classId>C000255132</classId>
      </seriesClassInfo>


    </filerInfo>
  </headerData>
  <formData>
    <genInfo>
      <regName>Roundhill ETF Trust</regName>
      <regFileNumber>811-23887</regFileNumber>
      <regCik>0001976517</regCik>
      <regLei>5299005P0GRW4PIQ0W17</regLei>
      <regStreet1>154 West 14th Street</regStreet1>
      <regStreet2>2nd Floor</regStreet2>
      <regCity>New York</regCity>
      <regStateConditional regCountry="US" regState="US-NY"/>
      <regZipOrPostalCode>10011</regZipOrPostalCode>
      <regPhone>855-561-5728</regPhone>
      <seriesName>Roundhill PLTR WeeklyPay ETF</seriesName>
      <seriesId>S000088757</seriesId>
      <seriesLei>529900FVH9FBMYV1BR06</seriesLei>
      <repPdEnd>2025-12-31</repPdEnd>
      <repPdDate>2025-09-30</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>193380331.090000000000</totAssets>
      <totLiabs>4428620.350000000000</totLiabs>
      <netAssets>188951710.740000000000</netAssets>
      <assetsAttrMiscSec>0.000000000000</assetsAttrMiscSec>
      <assetsInvested>0.000000000000</assetsInvested>
      <amtPayOneYrBanksBorr>0.000000000000</amtPayOneYrBanksBorr>
      <amtPayOneYrCtrldComp>0.000000000000</amtPayOneYrCtrldComp>
      <amtPayOneYrOthAffil>0.000000000000</amtPayOneYrOthAffil>
      <amtPayOneYrOther>0.000000000000</amtPayOneYrOther>
      <amtPayAftOneYrBanksBorr>0.000000000000</amtPayAftOneYrBanksBorr>
      <amtPayAftOneYrCtrldComp>0.000000000000</amtPayAftOneYrCtrldComp>
      <amtPayAftOneYrOthAffil>0.000000000000</amtPayAftOneYrOthAffil>
      <amtPayAftOneYrOther>0.000000000000</amtPayAftOneYrOther>
      <delayDeliv>0.000000000000</delayDeliv>
      <standByCommit>0.000000000000</standByCommit>
      <liquidPref>0.000000000000</liquidPref>
      <curMetrics>
        <curMetric>
          <curCd>USD</curCd>
          <intrstRtRiskdv01 period10Yr="0.000000000000" period1Yr="0.000000000000" period30Yr="0.000000000000" period3Mon="484.000000000000" period5Yr="0.000000000000"/>
          <intrstRtRiskdv100 period10Yr="0.000000000000" period1Yr="0.000000000000" period30Yr="0.000000000000" period3Mon="48400.000000000000" period5Yr="0.000000000000"/>
        </curMetric>
      </curMetrics>
      <creditSprdRiskInvstGrade period10Yr="0.000000000000" period1Yr="0.000000000000" period30Yr="0.000000000000" period3Mon="472.180401000000" period5Yr="0.000000000000"/>
      <creditSprdRiskNonInvstGrade period10Yr="0.000000000000" period1Yr="0.000000000000" period30Yr="0.000000000000" period3Mon="0.000000000000" period5Yr="0.000000000000"/>
      <isNonCashCollateral>N</isNonCashCollateral>
      <returnInfo>
        <monthlyTotReturns>
          <monthlyTotReturn classId="C000255132" rtn1="18.940000000000" rtn2="-2.220000000000" rtn3="19.210000000000"/>
        </monthlyTotReturns>
        <monthlyReturnCats>
          <equityContracts>
            <mon1 netRealizedGain="-14919.140000000000" netUnrealizedAppr="12662846.270000000000"/>
            <mon2 netRealizedGain="-292342.110000000000" netUnrealizedAppr="-6779201.930000000000"/>
            <mon3 netRealizedGain="-1174532.450000000000" netUnrealizedAppr="25460606.200000000000"/>
            <swapCategory>
              <instrMon1 netRealizedGain="-14919.140000000000" netUnrealizedAppr="12662846.270000000000"/>
              <instrMon2 netRealizedGain="-292342.110000000000" netUnrealizedAppr="-6779201.930000000000"/>
              <instrMon3 netRealizedGain="-1174532.450000000000" netUnrealizedAppr="25460606.200000000000"/>
            </swapCategory>
          </equityContracts>
        </monthlyReturnCats>
        <othMon1 netRealizedGain="-2429.400000000000" netUnrealizedAppr="2595160.880000000000"/>
        <othMon2 netRealizedGain="-55891.660000000000" netUnrealizedAppr="-1181986.730000000000"/>
        <othMon3 netRealizedGain="-223402.290000000000" netUnrealizedAppr="5221710.720000000000"/>
      </returnInfo>
      <mon1Flow redemption=".000000000000" reinvestment=".000000000000" sales="32703835.000000000000"/>
      <mon2Flow redemption=".000000000000" reinvestment=".000000000000" sales="64626940.000000000000"/>
      <mon3Flow redemption=".000000000000" reinvestment=".000000000000" sales="17316499.000000000000"/>


      <varInfo>

        <fundsDesignatedInfo>
          <nameDesignatedIndex>Palantir Technologies Inc</nameDesignatedIndex>
          <indexIdentifier>PLTR</indexIdentifier>

        </fundsDesignatedInfo>

      </varInfo>
    </fundInfo>
    <invstOrSecs>
      <invstOrSec>
        <name>Palantir Technologies Inc</name>
        <lei>549300UVN46B3BBDHO85</lei>
        <title>Palantir Technologies Inc</title>
        <cusip>69608A108</cusip>
        <identifiers>
          <isin value="US69608A1088"/>
          <ticker value="PLTR"/>
        </identifiers>
        <balance>204411.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>37288654.620000000000</valUSD>
        <pctVal>19.7344890258</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>N/A</name>
        <lei>N/A</lei>
        <title>PALANTIR TECHNOLOGIES INC WEEKLYPAY SWAP NM</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="USER DEFINED" value="69608A108 TRS 031926 NM"/>
        </identifiers>
        <balance>1.000000000000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>38707906.210000000000</valUSD>
        <pctVal>20.4856077028</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DE</assetCat>
        <issuerConditional desc="N/A" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <derivativeInfo>
          <swapDeriv derivCat="SWP">
            <counterparties>
              <counterpartyName>NOMURA SECURITIES INTERNATIONAL INC.</counterpartyName>
              <counterpartyLei>OXTKY6Q8X53C9ILVV871</counterpartyLei>
            </counterparties>
            <descRefInstrmnt>
              <otherRefInst>
                <issuerName>Palantir Technologies Inc</issuerName>
                <issueTitle>Palantir Technologies Inc</issueTitle>
                <identifiers>
                  <cusip value="69608A108"/>
                  <isin value="US69608A1088"/>
                  <ticker value="PLTR"/>
                </identifiers>
              </otherRefInst>
            </descRefInstrmnt>
            <swapFlag>Y</swapFlag>
            <otherRecDesc fixedOrFloating="Other">UNREALIZED GAIN/LOSS AND INCOME/EXPENSE FROM UNDERLYING</otherRecDesc>
            <floatingPmntDesc curCd="USD" fixedOrFloating="Floating" floatingRtIndex="OBFR01 INDEX" floatingRtSpread="2.750000000000" pmntAmt="2755499.420000000000">
              <rtResetTenors>
                <rtResetTenor rateTenor="Day" rateTenorUnit="170" resetDt="Day" resetDtUnit="170"/>
              </rtResetTenors>
            </floatingPmntDesc>
            <terminationDt>2026-03-19</terminationDt>
            <upfrontPmnt>0.000000000000</upfrontPmnt>
            <pmntCurCd>USD</pmntCurCd>
            <upfrontRcpt>0.000000000000</upfrontRcpt>
            <rcptCurCd>USD</rcptCurCd>
            <notionalAmt>188323111.200000000000</notionalAmt>
            <curCd>USD</curCd>
            <unrealizedAppr>38707906.210000000000</unrealizedAppr>
          </swapDeriv>
        </derivativeInfo>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>TREASURY BILL</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>United States Treasury Bill</title>
        <cusip>912797QF7</cusip>
        <identifiers>
          <isin value="US912797QF73"/>
        </identifiers>
        <balance>110000000.000000000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>109809395.620000000000</valUSD>
        <pctVal>58.1150576462</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2025-10-16</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>.000000000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2025-11-24</ncom:dateSigned>
      <ncom:nameOfApplicant>Roundhill ETF Trust</ncom:nameOfApplicant>
      <ncom:signature>/s/ Justin Katz</ncom:signature>
      <ncom:signerName>Justin Katz</ncom:signerName>
      <ncom:title>Vice President, Operations</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
