<?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>0001976322</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


      <seriesClassInfo>
        <seriesId>S000085491</seriesId>
        <classId>C000250774</classId>
      </seriesClassInfo>


    </filerInfo>
  </headerData>
  <formData>
    <genInfo>
      <regName>Themes ETF Trust</regName>
      <regFileNumber>811-23872</regFileNumber>
      <regCik>0001976322</regCik>
      <regLei>529900NYKGD1N3B8DB45</regLei>
      <regStreet1>34 East Putnam Avenue</regStreet1>
      <regStreet2>Suite 112</regStreet2>
      <regCity>Greenwich</regCity>
      <regStateConditional regCountry="US" regState="US-CT"/>
      <regZipOrPostalCode>06830</regZipOrPostalCode>
      <regPhone>646-206-1788</regPhone>
      <seriesName>Leverage Shares 2x Capped Accelerated COIN Monthly ETF</seriesName>
      <seriesId>S000085491</seriesId>
      <seriesLei>529900JRS2NUJTL87M92</seriesLei>
      <repPdEnd>2026-10-31</repPdEnd>
      <repPdDate>2026-01-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>168047.730000000000</totAssets>
      <totLiabs>16782.660000000000</totLiabs>
      <netAssets>151265.070000000000</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>
      <cshNotRptdInCorD>9.660000000000</cshNotRptdInCorD>
      <isNonCashCollateral>N</isNonCashCollateral>
      <returnInfo>
        <monthlyTotReturns>
          <monthlyTotReturn classId="C000250774" rtn1="-20.790000000000" rtn2="-17.21" rtn3="-14.070000000000"/>
        </monthlyTotReturns>
        <monthlyReturnCats>
          <equityContracts>
            <mon1 netRealizedGain="32279.400000000000" netUnrealizedAppr="-247358.200000000000"/>
            <mon2 netRealizedGain="-343844.620000000000" netUnrealizedAppr="185549.810000000000"/>
            <mon3 netRealizedGain="-29329.570000000000" netUnrealizedAppr="4127.740000000000"/>
            <optionCategory>
              <instrMon1 netRealizedGain="32279.400000000000" netUnrealizedAppr="-247358.200000000000"/>
              <instrMon2 netRealizedGain="-343844.620000000000" netUnrealizedAppr="185549.810000000000"/>
              <instrMon3 netRealizedGain="-29329.570000000000" netUnrealizedAppr="4127.740000000000"/>
            </optionCategory>
          </equityContracts>
        </monthlyReturnCats>
        <othMon1 netRealizedGain="12.800000000000" netUnrealizedAppr="-310.210000000000"/>
        <othMon2 netRealizedGain="4.590000000000" netUnrealizedAppr="139.300000000000"/>
        <othMon3 netRealizedGain="3.780000000000" netUnrealizedAppr="-32.780000000000"/>
      </returnInfo>
      <mon1Flow redemption=".000000000000" reinvestment=".000000000000" sales="203831.000000000000"/>
      <mon2Flow redemption="796955.000000000000" reinvestment=".000000000000" sales="357554.000000000000"/>
      <mon3Flow redemption=".000000000000" reinvestment=".000000000000" sales=".000000000000"/>


      <varInfo>

        <fundsDesignatedInfo>
          <nameDesignatedIndex>COIN US Equity</nameDesignatedIndex>
          <indexIdentifier>COIN</indexIdentifier>

        </fundsDesignatedInfo>

      </varInfo>
    </fundInfo>
    <invstOrSecs>
      <invstOrSec>
        <name>N/A</name>
        <lei>N/A</lei>
        <title>COIN 01/30/2026 241.86 C</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="USER DEFINED" value="2COIN 260130C00241860"/>
        </identifiers>
        <balance>-16.000000000000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>.000000000000</valUSD>
        <pctVal>0.0000000000</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DE</assetCat>
        <issuerConditional desc="N/A" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <derivativeInfo>
          <optionSwaptionWarrantDeriv derivCat="OPT">
            <counterparties>
              <counterpartyName>Chicago Board Options Exchange</counterpartyName>
              <counterpartyLei>529900RLNSGA90UPEH54</counterpartyLei>
            </counterparties>
            <putOrCall>Call</putOrCall>
            <writtenOrPur>Written</writtenOrPur>
            <descRefInstrmnt>
              <otherRefInst>
                <issuerName>Coinbase Global Inc</issuerName>
                <issueTitle>Coinbase Global Inc</issueTitle>
                <identifiers>
                  <cusip value="19260Q107"/>
                  <isin value="US19260Q1076"/>
                  <ticker value="COIN"/>
                </identifiers>
              </otherRefInst>
            </descRefInstrmnt>
            <shareNo>100.000000000000</shareNo>
            <exercisePrice>241.860000000000</exercisePrice>
            <exercisePriceCurCd>USD</exercisePriceCurCd>
            <expDt>2026-01-30</expDt>
            <delta>XXXX</delta>
            <unrealizedAppr>11047.220000000000</unrealizedAppr>
          </optionSwaptionWarrantDeriv>
        </derivativeInfo>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>N/A</name>
        <lei>N/A</lei>
        <title>COIN 01/30/2026 214.83 C</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="USER DEFINED" value="2COIN 260130C00214830"/>
        </identifiers>
        <balance>8.000000000000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>.000000000000</valUSD>
        <pctVal>0.0000000000</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DE</assetCat>
        <issuerConditional desc="N/A" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <derivativeInfo>
          <optionSwaptionWarrantDeriv derivCat="OPT">
            <counterparties>
              <counterpartyName>Chicago Board Options Exchange</counterpartyName>
              <counterpartyLei>529900RLNSGA90UPEH54</counterpartyLei>
            </counterparties>
            <putOrCall>Call</putOrCall>
            <writtenOrPur>Purchased</writtenOrPur>
            <descRefInstrmnt>
              <otherRefInst>
                <issuerName>Coinbase Global Inc</issuerName>
                <issueTitle>Coinbase Global Inc</issueTitle>
                <identifiers>
                  <cusip value="19260Q107"/>
                  <isin value="US19260Q1076"/>
                  <ticker value="COIN"/>
                </identifiers>
              </otherRefInst>
            </descRefInstrmnt>
            <shareNo>100.000000000000</shareNo>
            <exercisePrice>214.830000000000</exercisePrice>
            <exercisePriceCurCd>USD</exercisePriceCurCd>
            <expDt>2026-01-30</expDt>
            <delta>XXXX</delta>
            <unrealizedAppr>-15460.390000000000</unrealizedAppr>
          </optionSwaptionWarrantDeriv>
        </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>912797RL3</cusip>
        <identifiers>
          <isin value="US912797RL33"/>
        </identifiers>
        <balance>161000.000000000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>160951.810000000000</valUSD>
        <pctVal>106.4038181452</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2026-02-05</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>
      <invstOrSec>
        <name>N/A</name>
        <lei>N/A</lei>
        <title>COIN 01/30/2026 214.83 P</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="USER DEFINED" value="2COIN 260130P00214830"/>
        </identifiers>
        <balance>-8.000000000000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>-16072.000000000000</valUSD>
        <pctVal>-10.6250570604</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DE</assetCat>
        <issuerConditional desc="N/A" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <derivativeInfo>
          <optionSwaptionWarrantDeriv derivCat="OPT">
            <counterparties>
              <counterpartyName>Chicago Board Options Exchange</counterpartyName>
              <counterpartyLei>529900RLNSGA90UPEH54</counterpartyLei>
            </counterparties>
            <putOrCall>Put</putOrCall>
            <writtenOrPur>Written</writtenOrPur>
            <descRefInstrmnt>
              <otherRefInst>
                <issuerName>Coinbase Global Inc</issuerName>
                <issueTitle>Coinbase Global Inc</issueTitle>
                <identifiers>
                  <cusip value="19260Q107"/>
                  <isin value="US19260Q1076"/>
                  <ticker value="COIN"/>
                </identifiers>
              </otherRefInst>
            </descRefInstrmnt>
            <shareNo>100.000000000000</shareNo>
            <exercisePrice>214.830000000000</exercisePrice>
            <exercisePriceCurCd>USD</exercisePriceCurCd>
            <expDt>2026-01-30</expDt>
            <delta>XXXX</delta>
            <unrealizedAppr>-10420.390000000000</unrealizedAppr>
          </optionSwaptionWarrantDeriv>
        </derivativeInfo>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>First American Treasury Obliga</name>
        <lei>549300UU586IAH2B8H03</lei>
        <title>First American Treasury Obligations Fund</title>
        <cusip>31846V328</cusip>
        <identifiers>
          <isin value="US31846V3289"/>
          <ticker value="FXFXX"/>
        </identifiers>
        <balance>7052.140000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>7052.140000000000</valUSD>
        <pctVal>4.6621073854</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
        <issuerCat>RF</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>COIN 01/30/2026 226.14 C</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="USER DEFINED" value="2COIN 260130C00226140"/>
        </identifiers>
        <balance>8.000000000000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>.000000000000</valUSD>
        <pctVal>0.0000000000</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DE</assetCat>
        <issuerConditional desc="N/A" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <derivativeInfo>
          <optionSwaptionWarrantDeriv derivCat="OPT">
            <counterparties>
              <counterpartyName>Chicago Board Options Exchange</counterpartyName>
              <counterpartyLei>529900RLNSGA90UPEH54</counterpartyLei>
            </counterparties>
            <putOrCall>Call</putOrCall>
            <writtenOrPur>Purchased</writtenOrPur>
            <descRefInstrmnt>
              <otherRefInst>
                <issuerName>Coinbase Global Inc</issuerName>
                <issueTitle>Coinbase Global Inc</issueTitle>
                <identifiers>
                  <cusip value="19260Q107"/>
                  <isin value="US19260Q1076"/>
                  <ticker value="COIN"/>
                </identifiers>
              </otherRefInst>
            </descRefInstrmnt>
            <shareNo>100.000000000000</shareNo>
            <exercisePrice>226.140000000000</exercisePrice>
            <exercisePriceCurCd>USD</exercisePriceCurCd>
            <expDt>2026-01-30</expDt>
            <delta>XXXX</delta>
            <unrealizedAppr>-10340.390000000000</unrealizedAppr>
          </optionSwaptionWarrantDeriv>
        </derivativeInfo>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2026-03-26</ncom:dateSigned>
      <ncom:nameOfApplicant>Themes ETF Trust</ncom:nameOfApplicant>
      <ncom:signature>/s/ Dobromir Kamburov</ncom:signature>
      <ncom:signerName>Dobromir Kamburov</ncom:signerName>
      <ncom:title>Treasurer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
