Prospectus Certification by Investment Company - Form 497J

AMG Funds III

		ROPES & GRAY LLP PRUDENTIAL TOWER 800 BOYLSTON STREET BOSTON, MA 02199-3600 WWW.ROPESGRAY.COM

May 3, 2024			Lisa M. Henry T +1 617 951 7780 [email protected]

VIA EDGAR

Securities and Exchange Commission

Division of Investment Management

100 F Street, N.E.

Washington, D.C. 20549

Re:	AMG Funds III

File Nos. 002-84012;811-03752

Ladies and Gentlemen:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended (the "1933 Act"), AMG Funds III (the "Trust") hereby certifies that the following forms of prospectus and statement of additional information that would have been filed by the Trust pursuant to Rule 497(c) under the 1933 Act would not have differed from those contained in the Trust's Post-Effective Amendment No. 142 to its Registration Statement on Form N-1A, which was filed by electronic transmission on April 29, 2024 pursuant to Rule 485(b) under the 1933 Act and is the most recent amendment to the Trust's Registration Statement on Form N-1A:

(i)

Prospectus for AMG GW&K ESG Bond Fund, AMG GW&K High Income Fund and AMG Veritas Asia Pacific Fund, dated May 1, 2024; and

(ii)

Statement of Additional Information for AMG GW&K ESG Bond Fund, AMG GW&K High Income Fund and AMG Veritas Asia Pacific Fund, dated May 1, 2024.

If you have any questions concerning this filing, please call me at (617) 951-7780.

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