David Forrest Wilber (December 7, 1859 –August 14, 1928) was a United States Representative and consul from New York.

He then engaged in the hops business at Milford in 1879 and at Oneonta, New York, in 1880, and was also involved in real estate, agriculture, and stockbreeding.

He also served as member of the board of trustees of his alma mater, the Cazenovia Seminary.

Wilber retired in June 1923 and returned to Oneonta to care for his business interests.

He died at his summer camp in Upper Dam, Maine, and was buried at Glenwood Cemetery in Oneonta.