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    <isConfidential>false</isConfidential>
    <filerInfo>

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


      <seriesClassInfo>
        <seriesId>S000092331</seriesId>
        <classId>C000260269</classId>
      </seriesClassInfo>


    </filerInfo>
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      <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 ARM WeeklyPay ETF</seriesName>
      <seriesId>S000092331</seriesId>
      <seriesLei>529900932AQK82MQ1964</seriesLei>
      <repPdEnd>2026-12-31</repPdEnd>
      <repPdDate>2026-06-30</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
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      <totLiabs>1401100.380000000000</totLiabs>
      <netAssets>24972615.750000000000</netAssets>
      <assetsAttrMiscSec>0.000000000000</assetsAttrMiscSec>
      <assetsInvested>0.000000000000</assetsInvested>
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      <amtPayOneYrCtrldComp>0.000000000000</amtPayOneYrCtrldComp>
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      <isNonCashCollateral>N</isNonCashCollateral>
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        <monthlyTotReturns>
          <monthlyTotReturn classId="C000260269" rtn1="45.700000000000" rtn2="82.790000000000" rtn3="-1.700000000000"/>
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        <monthlyReturnCats>
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      <mon3Flow redemption=".000000000000" reinvestment=".000000000000" sales="15065658.000000000000"/>

      <varInfo>

        <fundsDesignatedInfo>
          <nameDesignatedIndex>Arm Holdings plc</nameDesignatedIndex>
          <indexIdentifier>ARM</indexIdentifier>

        </fundsDesignatedInfo>

      </varInfo>
    </fundInfo>
    <invstOrSecs>
      <invstOrSec>
        <name>ARM Holdings PLC</name>
        <lei>2138001E66EELTE7Y904</lei>
        <title>ARM Holdings PLC</title>
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        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>5633053.590000000000</valUSD>
        <pctVal>22.5569225362</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>GB</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>ARM HOLDINGS PLC SWAP NM</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="USER DEFINED" value="042068205 TRS 112426 NM"/>
        </identifiers>
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        <payoffProfile>N/A</payoffProfile>
        <assetCat>DE</assetCat>
        <issuerConditional desc="N/A" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <derivativeInfo>
          <swapDeriv derivCat="SWP">
            <counterparties>
              <counterpartyName>NOMURA SECURITIES INTERNATIONAL INC.</counterpartyName>
              <counterpartyLei>OXTKY6Q8X53C9ILVV871</counterpartyLei>
            </counterparties>
            <descRefInstrmnt>
              <otherRefInst>
                <issuerName>ARM Holdings PLC</issuerName>
                <issueTitle>ARM Holdings PLC</issueTitle>
                <identifiers>
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                  <isin value="US0420682058"/>
                  <ticker value="ARM"/>
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              </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="2.250000000000" pmntAmt="175136.780000000000">
              <rtResetTenors>
                <rtResetTenor rateTenor="Day" rateTenorUnit="147" resetDt="Day" resetDtUnit="147"/>
              </rtResetTenors>
            </floatingPmntDesc>
            <terminationDt>2026-11-24</terminationDt>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>First American Government Obli</name>
        <lei>549300R5MYM6VZF1RM44</lei>
        <title>First American Government Obligations Fund</title>
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        <issuerCat>RF</issuerCat>
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        <fairValLevel>1</fairValLevel>
        <securityLending>
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      </invstOrSec>
      <invstOrSec>
        <name>TREASURY BILL</name>
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          <isin value="US912797UP00"/>
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        <balance>13900000.000000000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>13882023.660000000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
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          <couponKind>Fixed</couponKind>
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          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2026-08-04</ncom:dateSigned>
      <ncom:nameOfApplicant>Roundhill ETF Trust</ncom:nameOfApplicant>
      <ncom:signature>/s/ Justin Katz</ncom:signature>
      <ncom:signerName>Justin Katz</ncom:signerName>
      <ncom:title>VP, Operations</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
