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<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/>
    </filerInfo>
  </headerData>
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    <generalInfo>
      <reportDate>2016-12-31</reportDate>
      <cik>0000747576</cik>
      <seriesId>S000008926</seriesId>
      <totalShareClassesInSeries>2</totalShareClassesInSeries>
      <finalFilingFlag>N</finalFilingFlag>
      <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>KPMG LLP</name>
        <city>New York</city>
        <stateCountry>NY</stateCountry>
      </indpPubAccountant>
      <administrator>
        <administratorName>None</administratorName>
      </administrator>
      <transferAgent>
        <name>Boston Financial Data Services, Inc.</name>
        <cik>0000275143</cik>
        <fileNumber>084-00896</fileNumber>
      </transferAgent>
      <feederFundFlag>Y</feederFundFlag>
      <masterFeederFund>
        <cik>0001140869</cik>
        <name>Liquid Reserve Portfolio</name>
        <seriesId>S000018041</seriesId>
      </masterFeederFund>
      <masterFundFlag>N</masterFundFlag>
      <seriesFundInsuCmpnySepAccntFlag>N</seriesFundInsuCmpnySepAccntFlag>
      <moneyMarketFundCategory>Prime</moneyMarketFundCategory>
      <fundExemptRetailFlag>N</fundExemptRetailFlag>
      <averagePortfolioMaturity>6</averagePortfolioMaturity>
      <averageLifeMaturity>6</averageLifeMaturity>
      <totalValueDailyLiquidAssets>
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        <ns3:fridayDay2>13088013288.86</ns3:fridayDay2>
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        <ns3:fridayWeek2>14239108990.62</ns3:fridayWeek2>
        <ns3:fridayWeek3>13387385067.10</ns3:fridayWeek3>
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      <percentageDailyLiquidAssets>
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        <ns3:fridayDay2>0.4253</ns3:fridayDay2>
        <ns3:fridayDay3>0.4165</ns3:fridayDay3>
        <ns3:fridayDay4>0.3923</ns3:fridayDay4>
        <ns3:fridayDay5>0.4440</ns3:fridayDay5>
      </percentageDailyLiquidAssets>
      <percentageWeeklyLiquidAssets>
        <ns3:fridayWeek1>0.4641</ns3:fridayWeek1>
        <ns3:fridayWeek2>0.4627</ns3:fridayWeek2>
        <ns3:fridayWeek3>0.4401</ns3:fridayWeek3>
        <ns3:fridayWeek4>0.4640</ns3:fridayWeek4>
        <ns3:fridayWeek5>0.5031</ns3:fridayWeek5>
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      <cash>0.00</cash>
      <totalValuePortfolioSecurities>51209806.70</totalValuePortfolioSecurities>
      <amortizedCostPortfolioSecurities>0.00</amortizedCostPortfolioSecurities>
      <totalValueOtherAssets>73730.39</totalValueOtherAssets>
      <totalValueLiabilities>670619.39</totalValueLiabilities>
      <netAssetOfSeries>50612917.70</netAssetOfSeries>
      <numberOfSharesOutstanding>50592803.8240</numberOfSharesOutstanding>
      <stablePricePerShare>0.0000</stablePricePerShare>
      <sevenDayGrossYield>0.0088</sevenDayGrossYield>
      <netAssetValue>
        <ns3:fridayWeek1>1.0004</ns3:fridayWeek1>
        <ns3:fridayWeek2>1.0004</ns3:fridayWeek2>
        <ns3:fridayWeek3>1.0003</ns3:fridayWeek3>
        <ns3:fridayWeek4>1.0004</ns3:fridayWeek4>
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    </seriesLevelInfo>
    <classLevelInfo>
      <classesId>C000024256</classesId>
      <minInitialInvestment>1.00</minInitialInvestment>
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      <netAssetPerShare>
        <ns3:fridayWeek1>1.0003</ns3:fridayWeek1>
        <ns3:fridayWeek2>1.0004</ns3:fridayWeek2>
        <ns3:fridayWeek3>1.0003</ns3:fridayWeek3>
        <ns3:fridayWeek4>1.0003</ns3:fridayWeek4>
        <ns3:fridayWeek5>1.0003</ns3:fridayWeek5>
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      <fridayWeek1>
        <weeklyGrossSubscriptions>2902.88</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>26487.09</weeklyGrossRedemptions>
      </fridayWeek1>
      <fridayWeek2>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>38644.50</weeklyGrossRedemptions>
      </fridayWeek2>
      <fridayWeek3>
        <weeklyGrossSubscriptions>2001.86</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>40434.46</weeklyGrossRedemptions>
      </fridayWeek3>
      <fridayWeek4>
        <weeklyGrossSubscriptions>100000.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>82453.94</weeklyGrossRedemptions>
      </fridayWeek4>
      <fridayWeek5>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>27355.29</weeklyGrossRedemptions>
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      <totalForTheMonthReported>
        <weeklyGrossSubscriptions>104904.74</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>189793.04</weeklyGrossRedemptions>
      </totalForTheMonthReported>
      <sevenDayNetYield>0.0014</sevenDayNetYield>
      <personPayForFundFlag>Y</personPayForFundFlag>
      <nameOfPersonDescExpensePay>Legg Mason Investor Services 12B-1 Waiver 4,753 Legg Mason Partners Fund Advisor Hub Mgmt fee waiver 2,405 Legg Mason Partners Fund Advisor Expense Cap Waiver 26,662 Legg Mason Partners Fund Advisor Min Yield Waiver 1,376</nameOfPersonDescExpensePay>
    </classLevelInfo>
    <classLevelInfo>
      <classesId>C000090904</classesId>
      <minInitialInvestment>1000.00</minInitialInvestment>
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      <numberOfSharesOutstanding>22652811.4460</numberOfSharesOutstanding>
      <netAssetPerShare>
        <ns3:fridayWeek1>1.0003</ns3:fridayWeek1>
        <ns3:fridayWeek2>1.0004</ns3:fridayWeek2>
        <ns3:fridayWeek3>1.0003</ns3:fridayWeek3>
        <ns3:fridayWeek4>1.0003</ns3:fridayWeek4>
        <ns3:fridayWeek5>1.0003</ns3:fridayWeek5>
      </netAssetPerShare>
      <fridayWeek1>
        <weeklyGrossSubscriptions>5291.42</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>114590.75</weeklyGrossRedemptions>
      </fridayWeek1>
      <fridayWeek2>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>69975.47</weeklyGrossRedemptions>
      </fridayWeek2>
      <fridayWeek3>
        <weeklyGrossSubscriptions>32.11</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>301545.37</weeklyGrossRedemptions>
      </fridayWeek3>
      <fridayWeek4>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
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      </fridayWeek4>
      <fridayWeek5>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
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      </fridayWeek5>
      <totalForTheMonthReported>
        <weeklyGrossSubscriptions>5323.53</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>596803.11</weeklyGrossRedemptions>
      </totalForTheMonthReported>
      <sevenDayNetYield>0.0028</sevenDayNetYield>
      <personPayForFundFlag>Y</personPayForFundFlag>
      <nameOfPersonDescExpensePay>Legg Mason Investor Services 12B-1 Waiver 1,166 Legg Mason Partners Fund Advisor Hub Mgmt fee waiver 1,967 Legg Mason Partners Fund Advisor Expense Cap Waiver -8,504 Legg Mason Partners Fund Advisor Min Yield Waiver -500</nameOfPersonDescExpensePay>
    </classLevelInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>Liquid Reserves Portfolio</nameOfIssuer>
      <titleOfIssuer>Liquid Reserves Portfolio</titleOfIssuer>
      <investmentCategory>Investment Company</investmentCategory>
      <securityEligibilityFlag>Y</securityEligibilityFlag>
      <investmentMaturityDateWAM>2017-01-03</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2017-01-03</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2017-01-03</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0000</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>51209806.70</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>51209806.70</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>1.0000</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <dailyLiquidAssetSecurityFlag>Y</dailyLiquidAssetSecurityFlag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <signature>
      <registrant>Legg Mason Partners Money Market Trust</registrant>
      <signatureDate>2017-01-09</signatureDate>
      <signature>/s/ Ricahrd Sennett</signature>
      <nameOfSigningOfficer>Richard Sennett</nameOfSigningOfficer>
      <titleOfSigningOfficer>Principal Financial Officer</titleOfSigningOfficer>
    </signature>
  </formData>
</edgarSubmission>
