William Frederick Varney (October 1, 1884 – December 13, 1960) was an American politician who served as the Prohibition Party's presidential candidate in 1928 and in other New York campaigns.

From 1912 to 1918 he served as field secretary of the New Jersey Prohibition Party and was elected to the national committee in 1924.

[5] In 1929 he was elected as president of the Prohibition Party to replace D. Leigh Colvin following his forced resignation.

[6] He later ran for mayor of Rockville Centre, during which he was accused of being a member of the Ku Klux Klan but he rejected the accusation as false, and in 1934 he ran with the Law Preservation nomination for governor of New York, but only received 20,449 votes causing the party to lose its automatic ballot access.

On December 13, 1960, Varney died from cerebral thrombosis in a nursing home in East Rockaway.