<?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" xsi:schemaLocation="http://www.sec.gov/edgar/nport eis_NPORT_Filer.xsd">
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    <submissionType>NPORT-P</submissionType>
    <isConfidential>false</isConfidential>
    <filerInfo>

      <filer>
        <issuerCredentials>
          <cik>0000793769</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


      <seriesClassInfo>
        <seriesId>S000046759</seriesId>
        <classId>C000146070</classId>
      </seriesClassInfo>


    </filerInfo>
  </headerData>
  <formData>
    <genInfo>
      <regName>HARBOR FUNDS</regName>
      <regFileNumber>811-04676</regFileNumber>
      <regCik>0000793769</regCik>
      <regLei>549300YJH4HL5M6WFP75</regLei>
      <regStreet1>111 SOUTH WACKER DRIVE</regStreet1>
      <regStreet2>34TH FLOOR</regStreet2>
      <regCity>CHICAGO</regCity>
      <regStateConditional regCountry="US" regState="US-IL"/>
      <regZipOrPostalCode>60606</regZipOrPostalCode>
      <regPhone>312-443-4400</regPhone>
      <seriesName>Harbor Target Retirement 2055 Fund</seriesName>
      <seriesId>S000046759</seriesId>
      <seriesLei>549300RXYJ17DS2ZY278</seriesLei>
      <repPdEnd>2020-10-31</repPdEnd>
      <repPdDate>2020-01-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>6926042.39</totAssets>
      <totLiabs>0.00</totLiabs>
      <netAssets>6926042.39</netAssets>
      <assetsAttrMiscSec>0.00000000</assetsAttrMiscSec>
      <assetsInvested>0.00000000</assetsInvested>
      <amtPayOneYrBanksBorr>0.00000000</amtPayOneYrBanksBorr>
      <amtPayOneYrCtrldComp>0.00000000</amtPayOneYrCtrldComp>
      <amtPayOneYrOthAffil>0.00000000</amtPayOneYrOthAffil>
      <amtPayOneYrOther>0.00000000</amtPayOneYrOther>
      <amtPayAftOneYrBanksBorr>0.00000000</amtPayAftOneYrBanksBorr>
      <amtPayAftOneYrCtrldComp>0.00000000</amtPayAftOneYrCtrldComp>
      <amtPayAftOneYrOthAffil>0.00000000</amtPayAftOneYrOthAffil>
      <amtPayAftOneYrOther>0.00000000</amtPayAftOneYrOther>
      <delayDeliv>0.00000000</delayDeliv>
      <standByCommit>0.00000000</standByCommit>
      <liquidPref>0.00000000</liquidPref>
      <cshNotRptdInCorD>0.01000000</cshNotRptdInCorD>
      <isNonCashCollateral>N</isNonCashCollateral>
      <returnInfo>
        <monthlyTotReturns>
          <monthlyTotReturn classId="C000146070" rtn1="3.35000000" rtn2="2.95000000" rtn3="-1.10000000"/>
        </monthlyTotReturns>
        <othMon1 netRealizedGain="3931.28000000" netUnrealizedAppr="202517.74000000"/>
        <othMon2 netRealizedGain="8210.31000000" netUnrealizedAppr="-60575.31000000"/>
        <othMon3 netRealizedGain="8576.41000000" netUnrealizedAppr="-87386.63000000"/>
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      <mon1Flow redemption="63377.84000000" reinvestment="0.00000000" sales="201098.88000000"/>
      <mon2Flow redemption="132979.35000000" reinvestment="482751.51000000" sales="280147.21000000"/>
      <mon3Flow redemption="53356.20000000" reinvestment="0.00000000" sales="190174.14000000"/>

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        <title>Harbor International Growth Fund</title>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
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        <name>Harbor Mid Cap Value Fund</name>
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        <units>NS</units>
        <curCd>USD</curCd>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>Harbor Capital Appreciation Fund</name>
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        <fairValLevel>1</fairValLevel>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Harbor Global Leaders Fund</name>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>Harbor Large Cap Value Fund</name>
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        <fairValLevel>1</fairValLevel>
        <securityLending>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Harbor Strategic Growth Fund</name>
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        <fairValLevel>1</fairValLevel>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Harbor Diversified International All Cap Fund</name>
        <lei>549300CMUJRDGM6BK795</lei>
        <title>Harbor Diversified International All Cap Fund</title>
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        <identifiers>
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        <fairValLevel>1</fairValLevel>
        <securityLending>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
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        <name>Harbor Mid Cap Growth Fund</name>
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        <fairValLevel>1</fairValLevel>
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          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Harbor High-Yield Opportunities Fund</name>
        <lei>5493004FXD284JHTF064</lei>
        <title>Harbor High-Yield Opportunities Fund</title>
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        <identifiers>
          <isin value="US4115122701"/>
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        <units>NS</units>
        <curCd>USD</curCd>
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        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
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      </invstOrSec>
      <invstOrSec>
        <name>Harbor Small Cap Growth Fund</name>
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          <isin value="US4115118683"/>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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        </securityLending>
      </invstOrSec>
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        <name>Harbor Small Cap Value Fund</name>
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        <identifiers>
          <isin value="US4115118436"/>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>Harbor Bond Fund</name>
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        <title>Harbor Bond Fund</title>
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          <isin value="US4115111084"/>
        </identifiers>
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        <curCd>USD</curCd>
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        <fairValLevel>1</fairValLevel>
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        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Harbor International Fund</name>
        <lei>5493008KVCTHV19OZJ47</lei>
        <title>Harbor International Fund</title>
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          <isin value="US4115113064"/>
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        <balance>20428.56500000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>792628.32000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2020-02-27</ncom:dateSigned>
      <ncom:nameOfApplicant>HARBOR FUNDS</ncom:nameOfApplicant>
      <ncom:signature>Gregg Boland</ncom:signature>
      <ncom:signerName>Gregg Boland</ncom:signerName>
      <ncom:title>President, Harbor Services Group</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
