<?xml version="1.0" encoding="UTF-8"?>
<edgarSubmission xsi:schemaLocation="http://www.sec.gov/edgar/nmfp2 eis_NMFP2_Filer.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ns1="http://www.sec.gov/edgar/common" xmlns:ns2="http://www.sec.gov/edgar/statecodes" xmlns:ns3="http://www.sec.gov/edgar/nmfp2common" xmlns="http://www.sec.gov/edgar/nmfp2">
  <headerData>
    <submissionType>N-MFP2</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0000747576</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <notifications/>
      <notifications/>
      <notifications/>
    </filerInfo>
  </headerData>
  <formData>
    <generalInfo>
      <reportDate>2021-07-31</reportDate>
      <cik>0000747576</cik>
      <seriesId>S000008929</seriesId>
      <totalShareClassesInSeries>2</totalShareClassesInSeries>
      <finalFilingFlag>Y</finalFilingFlag>
      <fundLiquidatingFlag>Y</fundLiquidatingFlag>
      <fundMrgOrAcqrdByOthrFlag>N</fundMrgOrAcqrdByOthrFlag>
      <fundAcqrdOrMrgdWthAnthrFlag>N</fundAcqrdOrMrgdWthAnthrFlag>
    </generalInfo>
    <seriesLevelInfo>
      <securitiesActFileNumber>002-91556</securitiesActFileNumber>
      <adviser>
        <adviserName>Legg Mason Partners Fund Advisor LLC</adviserName>
        <adviserFileNumber>801-66785</adviserFileNumber>
      </adviser>
      <subAdviser>
        <adviserName>Western Asset Management Company</adviserName>
        <adviserFileNumber>801-08162</adviserFileNumber>
      </subAdviser>
      <indpPubAccountant>
        <name>PricewaterhouseCoopers LLP</name>
        <city>Baltimore</city>
        <stateCountry>MD</stateCountry>
      </indpPubAccountant>
      <transferAgent>
        <name>BNY Mellon Investment Servicing (US) Inc.</name>
        <cik>0000849542</cik>
        <fileNumber>084-01761</fileNumber>
      </transferAgent>
      <feederFundFlag>Y</feederFundFlag>
      <masterFeederFund>
        <cik>0001140869</cik>
        <name>Tax Free Reserves Portfolio</name>
        <seriesId>S000018043</seriesId>
      </masterFeederFund>
      <masterFundFlag>N</masterFundFlag>
      <seriesFundInsuCmpnySepAccntFlag>N</seriesFundInsuCmpnySepAccntFlag>
      <moneyMarketFundCategory>Other Tax Exempt</moneyMarketFundCategory>
      <fundExemptRetailFlag>Y</fundExemptRetailFlag>
      <averagePortfolioMaturity>7</averagePortfolioMaturity>
      <averageLifeMaturity>7</averageLifeMaturity>
      <totalValueWeeklyLiquidAssets>
        <ns3:fridayWeek1>282847040.78</ns3:fridayWeek1>
        <ns3:fridayWeek2>280380871.47</ns3:fridayWeek2>
        <ns3:fridayWeek3>277146967.50</ns3:fridayWeek3>
        <ns3:fridayWeek4>277413580.23</ns3:fridayWeek4>
        <ns3:fridayWeek5>278783891.29</ns3:fridayWeek5>
      </totalValueWeeklyLiquidAssets>
      <percentageWeeklyLiquidAssets>
        <ns3:fridayWeek1>0.9569</ns3:fridayWeek1>
        <ns3:fridayWeek2>0.9565</ns3:fridayWeek2>
        <ns3:fridayWeek3>0.9560</ns3:fridayWeek3>
        <ns3:fridayWeek4>0.9577</ns3:fridayWeek4>
        <ns3:fridayWeek5>0.9580</ns3:fridayWeek5>
      </percentageWeeklyLiquidAssets>
      <cash>0.00</cash>
      <totalValuePortfolioSecurities>45430901.45</totalValuePortfolioSecurities>
      <amortizedCostPortfolioSecurities>0.00</amortizedCostPortfolioSecurities>
      <totalValueOtherAssets>9376.13</totalValueOtherAssets>
      <totalValueLiabilities>9368.28</totalValueLiabilities>
      <netAssetOfSeries>45430909.30</netAssetOfSeries>
      <numberOfSharesOutstanding>45413627.8500</numberOfSharesOutstanding>
      <stablePricePerShare>1.0000</stablePricePerShare>
      <sevenDayGrossYield>0.0004</sevenDayGrossYield>
      <netAssetValue>
        <ns3:fridayWeek1>1.0002</ns3:fridayWeek1>
        <ns3:fridayWeek2>1.0002</ns3:fridayWeek2>
        <ns3:fridayWeek3>1.0002</ns3:fridayWeek3>
        <ns3:fridayWeek4>1.0002</ns3:fridayWeek4>
        <ns3:fridayWeek5>1.0004</ns3:fridayWeek5>
      </netAssetValue>
    </seriesLevelInfo>
    <classLevelInfo>
      <classesId>C000024261</classesId>
      <minInitialInvestment>1000.00</minInitialInvestment>
      <netAssetsOfClass>7166340.08</netAssetsOfClass>
      <numberOfSharesOutstanding>7164857.8700</numberOfSharesOutstanding>
      <netAssetPerShare>
        <ns3:fridayWeek1>1.0002</ns3:fridayWeek1>
        <ns3:fridayWeek2>1.0002</ns3:fridayWeek2>
        <ns3:fridayWeek3>1.0002</ns3:fridayWeek3>
        <ns3:fridayWeek4>1.0002</ns3:fridayWeek4>
        <ns3:fridayWeek5>1.0002</ns3:fridayWeek5>
      </netAssetPerShare>
      <fridayWeek1>
        <weeklyGrossSubscriptions>7937.58</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>16796.81</weeklyGrossRedemptions>
      </fridayWeek1>
      <fridayWeek2>
        <weeklyGrossSubscriptions>7706.88</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>24113.46</weeklyGrossRedemptions>
      </fridayWeek2>
      <fridayWeek3>
        <weeklyGrossSubscriptions>5138.20</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek3>
      <fridayWeek4>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek4>
      <fridayWeek5>
        <weeklyGrossSubscriptions>1446.17</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>21414.46</weeklyGrossRedemptions>
      </fridayWeek5>
      <totalForTheMonthReported>
        <weeklyGrossSubscriptions>14349.54</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>62324.73</weeklyGrossRedemptions>
      </totalForTheMonthReported>
      <sevenDayNetYield>0.0177</sevenDayNetYield>
      <personPayForFundFlag>Y</personPayForFundFlag>
      <nameOfPersonDescExpensePay>Legg Mason Investor Services 12B-1 Waiver $1,526 &amp; Legg Mason Partners Fund Advisor: Hub Mgmt fee waiver $916, and Expense Cap Waiver $8,356</nameOfPersonDescExpensePay>
    </classLevelInfo>
    <classLevelInfo>
      <classesId>C000090908</classesId>
      <minInitialInvestment>1000.00</minInitialInvestment>
      <netAssetsOfClass>38264569.22</netAssetsOfClass>
      <numberOfSharesOutstanding>38248769.9800</numberOfSharesOutstanding>
      <netAssetPerShare>
        <ns3:fridayWeek1>1.0002</ns3:fridayWeek1>
        <ns3:fridayWeek2>1.0002</ns3:fridayWeek2>
        <ns3:fridayWeek3>1.0002</ns3:fridayWeek3>
        <ns3:fridayWeek4>1.0002</ns3:fridayWeek4>
        <ns3:fridayWeek5>1.0004</ns3:fridayWeek5>
      </netAssetPerShare>
      <fridayWeek1>
        <weeklyGrossSubscriptions>1282196.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>2607811.22</weeklyGrossRedemptions>
      </fridayWeek1>
      <fridayWeek2>
        <weeklyGrossSubscriptions>1040510.61</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>3305684.05</weeklyGrossRedemptions>
      </fridayWeek2>
      <fridayWeek3>
        <weeklyGrossSubscriptions>1518706.79</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>2648667.52</weeklyGrossRedemptions>
      </fridayWeek3>
      <fridayWeek4>
        <weeklyGrossSubscriptions>627835.83</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>861030.98</weeklyGrossRedemptions>
      </fridayWeek4>
      <fridayWeek5>
        <weeklyGrossSubscriptions>622076.71</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>29715106.03</weeklyGrossRedemptions>
      </fridayWeek5>
      <totalForTheMonthReported>
        <weeklyGrossSubscriptions>4167825.94</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>38504892.76</weeklyGrossRedemptions>
      </totalForTheMonthReported>
      <sevenDayNetYield>0.0047</sevenDayNetYield>
      <personPayForFundFlag>Y</personPayForFundFlag>
      <nameOfPersonDescExpensePay>Legg Mason Investor Services 12B-1 Waiver $5,497 &amp; Legg Mason Partners Fund Advisor: Hub Mgmt fee waiver $8,245, and Expense Cap Waiver $37,949</nameOfPersonDescExpensePay>
    </classLevelInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Tax Free Reserves Portfolio</nameOfIssuer>
      <titleOfIssuer>Tax Free Reserves Portfolio</titleOfIssuer>
      <otherUniqueId>LMTAXFREERES</otherUniqueId>
      <investmentCategory>Investment Company</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>Fitch, Inc.</nameOfNRSRO>
        <rating>NR</rating>
      </NRSRO>
      <NRSRO>
        <nameOfNRSRO>Moody's Investors Service, Inc.</nameOfNRSRO>
        <rating>NR</rating>
      </NRSRO>
      <NRSRO>
        <nameOfNRSRO>Standard and Poor's Ratings Services</nameOfNRSRO>
        <rating>NR</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2021-08-02</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2021-08-02</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2021-08-02</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0000</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>45430901.45</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>45430901.45</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>1.0000</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <dailyLiquidAssetSecurityFlag>Y</dailyLiquidAssetSecurityFlag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <signature>
      <registrant>Legg Mason Partners Money Market Trust</registrant>
      <signatureDate>2021-08-06</signatureDate>
      <signature>/s/Christopher Berarducci</signature>
      <nameOfSigningOfficer>Christopher Berarducci</nameOfSigningOfficer>
      <titleOfSigningOfficer>Principal Financial Officer</titleOfSigningOfficer>
    </signature>
  </formData>
</edgarSubmission>
