<?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">
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    <isConfidential>false</isConfidential>
    <filerInfo>

      <filer>
        <issuerCredentials>
          <cik>0001014913</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


      <seriesClassInfo>
        <seriesId>S000062285</seriesId>
        <classId>C000201867</classId>
        <classId>C000201868</classId>
      </seriesClassInfo>


    </filerInfo>
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      <regName>Frontier Funds, Inc.</regName>
      <regFileNumber>811-07685</regFileNumber>
      <regCik>0001014913</regCik>
      <regLei>549300TMAADQMXZCXG08</regLei>
      <regStreet1>400 Skokie Blvd</regStreet1>
      <regStreet2>Suite 500</regStreet2>
      <regCity>Northbrook</regCity>
      <regStateConditional regCountry="US" regState="US-IL"/>
      <regZipOrPostalCode>60062-2815</regZipOrPostalCode>
      <regPhone>847-509-9860</regPhone>
      <seriesName>Frontier MFG Select Infrastructure Fund</seriesName>
      <seriesId>S000062285</seriesId>
      <seriesLei>549300BDDWRTGO8T1393</seriesLei>
      <repPdEnd>2020-06-30</repPdEnd>
      <repPdDate>2020-03-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
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      <totLiabs>544692.480000000000</totLiabs>
      <netAssets>78064809.970000000000</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>253490.810000000000</cshNotRptdInCorD>
      <isNonCashCollateral>N</isNonCashCollateral>
      <returnInfo>
        <monthlyTotReturns>
          <monthlyTotReturn classId="C000201867" rtn1="1.480000000000" rtn2="-9.410000000000" rtn3="-13.970000000000"/>
          <monthlyTotReturn classId="C000201868" rtn1="1.470000000000" rtn2="-9.480000000000" rtn3="-13.970000000000"/>
        </monthlyTotReturns>
        <othMon1 netRealizedGain="975713.600000000000" netUnrealizedAppr="447245.580000000000"/>
        <othMon2 netRealizedGain="431625.340000000000" netUnrealizedAppr="-10042333.300000000000"/>
        <othMon3 netRealizedGain="-4568706.150000000000" netUnrealizedAppr="-8410286.090000000000"/>
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        <fairValLevel>1</fairValLevel>
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        <name>Atmos Energy Corp</name>
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        <fairValLevel>1</fairValLevel>
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        <name>CSX Corp</name>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Crown Castle International Cor</name>
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          <isin value="US22822V1017"/>
          <ticker value="CCI"/>
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        <fairValLevel>1</fairValLevel>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Aguas Andinas SA</name>
        <lei>N/A</lei>
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          <isin value="CL0000000035"/>
          <ticker value="AGUAS/A"/>
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        <invCountry>CL</invCountry>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Enbridge Inc</name>
        <lei>98TPTUM4IVMFCZBCUR27</lei>
        <title>Enbridge Inc</title>
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          <isin value="CA29250N1050"/>
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        <invCountry>CA</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Canadian Pacific Railway Ltd</name>
        <lei>N/A</lei>
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          <isin value="CA13645T1003"/>
          <ticker value="CP"/>
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        <fairValLevel>1</fairValLevel>
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        <name>Eversource Energy</name>
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        <title>Eversource Energy</title>
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          <ticker value="ES"/>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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        <name>FirstEnergy Corp</name>
        <lei>549300SVYJS666PQJH88</lei>
        <title>FirstEnergy Corp</title>
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          <ticker value="FE"/>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>ASTM SpA</name>
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        <title>ASTM SpA</title>
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          <isin value="IT0000084027"/>
          <ticker value="AT"/>
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        <fairValLevel>2</fairValLevel>
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      <invstOrSec>
        <name>Koninklijke Vopak NV</name>
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        <fairValLevel>2</fairValLevel>
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      <invstOrSec>
        <name>Transurban Group</name>
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        <invCountry>AU</invCountry>
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        <fairValLevel>2</fairValLevel>
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        <name>APA Group</name>
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        <fairValLevel>2</fairValLevel>
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        <name>Fraport AG Frankfurt Airport S</name>
        <lei>5299001ERX0K10IZUL40</lei>
        <title>Fraport AG Frankfurt Airport Services Worldwide</title>
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        <fairValLevel>2</fairValLevel>
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        <name>Snam SpA</name>
        <lei>8156002278562044AF79</lei>
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      <invstOrSec>
        <name>Sempra Energy</name>
        <lei>PBBKGKLRK5S5C0Y4T545</lei>
        <title>Sempra Energy</title>
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          <ticker value="SRE"/>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>U.S. Bank Money Market Deposit Account</name>
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        <title>U.S. Bank Money Market Deposit Account</title>
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        <assetCat>STIV</assetCat>
        <issuerCat>RF</issuerCat>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Union Pacific Corp</name>
        <lei>549300LMMRSZZCZ8CL11</lei>
        <title>Union Pacific Corp</title>
        <cusip>907818108</cusip>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>WEC Energy Group Inc</name>
        <lei>549300IGLYTZUK3PVP70</lei>
        <title>WEC Energy Group Inc</title>
        <cusip>92939U106</cusip>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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        <name>Xcel Energy Inc</name>
        <lei>LGJNMI9GH8XIDG5RCM61</lei>
        <title>Xcel Energy Inc</title>
        <cusip>98389B100</cusip>
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        </identifiers>
        <balance>60363.000000000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>3639888.900000000000</valUSD>
        <pctVal>4.6626500486</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Terna Rete Elettrica Nazionale</name>
        <lei>8156009E94ED54DE7C31</lei>
        <title>Terna Rete Elettrica Nazionale SpA</title>
        <cusip>T9471R100</cusip>
        <identifiers>
          <isin value="IT0003242622"/>
          <ticker value="TRN"/>
        </identifiers>
        <balance>269387.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="EUR" exchangeRt=".906700000000"/>
        <valUSD>1693332.460000000000</valUSD>
        <pctVal>2.1691367220</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>IT</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Spark Infrastructure Group</name>
        <lei>N/A</lei>
        <title>Spark Infrastructure Group</title>
        <cusip>Q8604W120</cusip>
        <identifiers>
          <isin value="AU000000SKI7"/>
          <ticker value="SKI"/>
        </identifiers>
        <balance>1455696.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="AUD" exchangeRt="1.625750000000"/>
        <valUSD>1757836.980000000000</valUSD>
        <pctVal>2.2517661680</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>AU</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Aeroports de Paris</name>
        <lei>969500PJMBSFHYC37989</lei>
        <title>Aeroports de Paris</title>
        <cusip>F00882104</cusip>
        <identifiers>
          <isin value="FR0010340141"/>
          <ticker value="ADP"/>
        </identifiers>
        <balance>13017.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="EUR" exchangeRt=".906700000000"/>
        <valUSD>1257521.760000000000</valUSD>
        <pctVal>1.6108689184</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>FR</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Severn Trent PLC</name>
        <lei>213800RPBXRETY4A4C59</lei>
        <title>Severn Trent PLC</title>
        <cusip>G8056D159</cusip>
        <identifiers>
          <isin value="GB00B1FH8J72"/>
          <ticker value="SVT"/>
        </identifiers>
        <balance>25719.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="GBP" exchangeRt=".805090000000"/>
        <valUSD>728025.060000000000</valUSD>
        <pctVal>0.9325905748</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>GB</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Vinci SA</name>
        <lei>213800WFQ334R8UXUG83</lei>
        <title>Vinci SA</title>
        <cusip>F5879X108</cusip>
        <identifiers>
          <isin value="FR0000125486"/>
          <ticker value="DG"/>
        </identifiers>
        <balance>32232.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="EUR" exchangeRt=".906700000000"/>
        <valUSD>2633656.880000000000</valUSD>
        <pctVal>3.3736799987</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>FR</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Getlink SE</name>
        <lei>9695007ZEQ7M0OE74G82</lei>
        <title>Getlink</title>
        <cusip>F477AL114</cusip>
        <identifiers>
          <isin value="FR0010533075"/>
          <ticker value="GET"/>
        </identifiers>
        <balance>57060.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="EUR" exchangeRt=".906700000000"/>
        <valUSD>690121.470000000000</valUSD>
        <pctVal>0.8840365720</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>FR</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Sydney Airport</name>
        <lei>N/A</lei>
        <title>Sydney Airport</title>
        <cusip>Q8808P103</cusip>
        <identifiers>
          <isin value="AU000000SYD9"/>
          <ticker value="SYD"/>
        </identifiers>
        <balance>227680.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="AUD" exchangeRt="1.625750000000"/>
        <valUSD>786658.170000000000</valUSD>
        <pctVal>1.0076988214</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>AU</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Red Electrica Corp SA</name>
        <lei>5493009HMD0C90GUV498</lei>
        <title>Red Electrica Corp SA</title>
        <cusip>E42807110</cusip>
        <identifiers>
          <isin value="ES0173093024"/>
          <ticker value="REE"/>
        </identifiers>
        <balance>221131.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="EUR" exchangeRt=".906700000000"/>
        <valUSD>3973617.000000000000</valUSD>
        <pctVal>5.0901513775</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>ES</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Auckland International Airport</name>
        <lei>549300HFZIZDJWB7AK60</lei>
        <title>Auckland International Airport Ltd</title>
        <cusip>Q06213146</cusip>
        <identifiers>
          <isin value="NZAIAE0002S6"/>
          <ticker value="AIA"/>
        </identifiers>
        <balance>95015.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="NZD" exchangeRt="1.675880000000"/>
        <valUSD>283118.310000000000</valUSD>
        <pctVal>0.3626708502</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>NZ</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Aena SME SA</name>
        <lei>959800R7QMXKF0NFMT29</lei>
        <title>Aena SME SA</title>
        <cusip>E526K0106</cusip>
        <identifiers>
          <isin value="ES0105046009"/>
          <ticker value="AENA"/>
        </identifiers>
        <balance>14013.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="EUR" exchangeRt=".906700000000"/>
        <valUSD>1520333.180000000000</valUSD>
        <pctVal>1.9475269082</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>ES</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Flughafen Zurich AG</name>
        <lei>529900PFO97GCN5SYB55</lei>
        <title>Flughafen Zurich AG</title>
        <cusip>H26552135</cusip>
        <identifiers>
          <isin value="CH0319416936"/>
          <ticker value="FHZN"/>
        </identifiers>
        <balance>5967.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="CHF" exchangeRt=".962500000000"/>
        <valUSD>667544.250000000000</valUSD>
        <pctVal>0.8551154486</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>CH</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Atlas Arteria Ltd</name>
        <lei>N/A</lei>
        <title>Atlas Arteria Ltd</title>
        <cusip>Q06180105</cusip>
        <identifiers>
          <isin value="AU0000013559"/>
          <ticker value="ALX"/>
        </identifiers>
        <balance>634069.000000000000</balance>
        <units>NS</units>
        <currencyConditional curCd="AUD" exchangeRt="1.625750000000"/>
        <valUSD>2141635.280000000000</valUSD>
        <pctVal>2.7434067678</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>AU</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <explntrNotes>
      <explntrNote note="The monthly total returns shown in B.5.a. do not reflect the deduction of sales loads or redemption fees.&#10;" noteItem="B.5.a"/>
    </explntrNotes>
    <signature>
      <ncom:dateSigned>2020-05-28</ncom:dateSigned>
      <ncom:nameOfApplicant>Frontier Funds, Inc.</ncom:nameOfApplicant>
      <ncom:signature>/s/ Elyce D. Dilworth</ncom:signature>
      <ncom:signerName>Frontier Funds, Inc.</ncom:signerName>
      <ncom:title>Treasurer and Assistant Secretary</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
