Mailstop 3233
                                                           October 19, 2017


Via E-mail
Patrick J. Kane
Chairman, Frontier Fund Management LLC
Frontier Funds
c/o Frontier Fund Management LLC
25568 Genesee Trail Road
Golden, Colorado 80401

       Re:      Frontier Funds
                Post-Effective Amendment to Form S-1
                Filed September 25, 2017
                File No. 333-210313

Dear Mr. Kane:

       We have reviewed your post-effective amendment and have the following
comments. In
some of our comments, we may ask you to provide us with information so we may
better
understand your disclosure.

       Please respond to this letter by amending your registration statement
and providing the
requested information. If you do not believe our comments apply to your facts
and
circumstances or do not believe an amendment is appropriate, please tell us why
in your
response.

       After reviewing any amendment to your registration statement and the
information you
provide in response to these comments, we may have additional comments.

General

1.     We note that the post-effective amendment incorporates by reference your
annual report
       on Form 10-K for the year ended December 31, 2016, as filed on March 31,
2017. We
       further note that you filed a revised Form 10-K on April 3, 2017, and
that you filed
       quarterly reports on Form 10-Q on May 15, 2017 and August 14, 2017.
Please revise the
       post-effective amendment to incorporate by reference the foregoing and
all other reports
       filed pursuant to Section 13(a) or 15(d) of the Exchange Act or proxy or
information
       statements filed pursuant to Section 14 of the Exchange Act since the
end of the fiscal
       year. Refer to General Instruction VII and Item 12 of Form S-1.
 Patrick J. Kane
Frontier Funds
October 19, 2017
Page 2

2.     We note that your allocation, past performance, and net asset value
disclosures are as of
       March 31, 2017. Please revise to update these disclosures with data as
of a more recent
       date, or advise us why it is appropriate to include such information as
of March 31, 2017.

3.     Please revise the post-effective amendment to include the information
required by Part II
       of Form S-1.

4.     We note that the post-effective amendment is unsigned. Please revise to
include the
       signatures of your principal executive officer or officers, principal
financial officer,
       controller or principal accounting officer and at least a majority of
the board of directors
       or persons performing similar functions. Refer to Instruction 1 to
Signatures on Form S-
       1 for guidance.

The Managing Owner and CPO, page 50

5.     We note your disclosure on page 50 that you have included the background
information
       on the principals of the managing owner and Wakefield Advisors LLC, but
we can only
       locate such disclosure for the principals of Wakefield Advisors LLC on
pages 52-54.
       Please revise to include the background information on the principals of
the managing
       owner.

6.     We note your disclosure, here and elsewhere in the filing, that the
"managing owner has
       delegated its commodity pool operator responsibilities to Wakefield
Advisors LLC."
       Please revise your disclosure to clarify the relationship between the
managing owner and
       Wakefield Advisors LLC, including whether there is an agreement in place
between the
       managing owner and Wakefield Advisors LLC or their respective
affiliates. If
       applicable, please also describe the material terms of any such
agreement, including
       provisions pertaining to fees payable and termination provisions.
Additionally, please
       tell us what consideration you have given to filing any such agreement
as an exhibit to
       the post-effective amendment. Please refer to Items 404 and 601(b)(10)
of Regulation S-
       K.

Trading Limitations, Policies and SwapsSwaps, page 58

7.     We note your disclosure on page 32 that the Dividend Fund and the
Long/Short
       Commodity Fund each invest in certain reference programs through total
returns swaps
       with Deutsche Bank AG. Please revise to provide a description of the
platform through
       which you enter into these swap transactions. Please also disclose the
material terms of
       these swap transactions and explain how the reference indices are
constructed, whether
       the composition and weighting of the indices may be adjusted, and how
returns are
       determined. Additionally, please clarify the roles of Deutsche Bank and
the trading
       advisors in connection with the construction and rebalancing of the
indices.
 Patrick J. Kane
Frontier Funds
October 19, 2017
Page 3

8.     Please revise your disclosure to explain the factors you consider in
determining whether
       to allocate assets to trading advisors versus entering into swaps tied
the performance of
       the relevant trading advisors programs.

        We remind you that the company and its management are responsible for
the accuracy
and adequacy of their disclosures, notwithstanding any review, comments, action
or absence of
action by the staff.

      Please contact Sara von Althann, Attorney Advisor, at (202) 551-3207 or
me at (202)
551-3466 with any questions.


                                                            Sincerely,

                                                            /s/ Coy Garrison

                                                            Coy Garrison
                                                            Special Counsel
                                                            Office of Real
Estate and
                                                            Commodities

cc:    Matthew K. Kerfoot, Esq.
       Dechert LLP