FORUM FUNDS

THREE CANAL PLAZA, SUITE 600

PORTLAND, MAINE 04101

207-347-2000

November 1, 2019

VIA EDGAR

U.S. Securities and Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549

Re:	Forum Funds (the “Registrant”)
	File No.: 002-67052/811-03023
	Filing pursuant to Rule 497(j)

Ladies and Gentlemen:

On behalf of the Registrant, a Delaware statutory Trust, and pursuant to Rule 497(j) of the Securities Act of 1933, as amended, the Registrant certifies that the Statement of Additional Information for the DF Dent Premier Growth Fund, the DF Dent Mid Cap Growth Fund, and the DF Dent Small Cap Growth Fund (the “Funds”), dated November 1, 2019, does not differ from that contained in the Registration Statement of the Registrant which was filed electronically via EDGAR on October 25, 2018 (accession number 0001398344-19-018494).

If you have any questions related to this filing please do not hesitate to contact me at (207) 347-2076 or zac.tackett@atlanticfundservices.com.

Sincerely,

/s/ Zachary R. Tackett
Zachary R. Tackett, Esq.
Vice President and Secretary to the Registrant