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October 23, 2018 William M. Beaudoin T +1 617 854 2337 William.Beaudoin@ropesgray.com

VIA EDGAR

Securities and Exchange Commission

Division of Investment Management

100 F Street, N.E.

Washington, D.C. 20549

Re: AMG Funds

File Nos. 333-84639; 811-09521

Ladies and Gentlemen:

On behalf of AMG Funds (the “Trust”) and pursuant to Rule 497(e) under the Securities Act of 1933, as amended, accompanying this letter for filing are exhibits containing an XBRL interactive data file relating to the supplement, filed with the Securities and Exchange Commission on October 1, 2018 under Rule 497(e) (SEC Accession No. 0001193125-18-288613 to the Prospectus for AMG Yacktman Focused Fund and AMG Yacktman Fund, dated May 1, 2018.

The purpose of this filing is to submit an XBRL interactive data file in the manner provided by Rule 405 of Regulation S-T, General Instruction C.3.(g) of Form N-1A, and Rule 497(e).

If you have any questions concerning this filing, please call me at (617) 854-2337.

Sincerely,

/s/ William M. Beaudoin

William M. Beaudoin