Washington Frederick Willcox (August 22, 1834 – March 8, 1909) was an American businessman and politician who served two terms as a U.S. Representative from Connecticut from 1889 to 1893.

Born in Killingworth, Connecticut, Willcox prepared for college at Madison Academy and Hopkins Grammar School.

He was admitted to the bar and commenced practice in Deep River, Connecticut.

He died at his home in Chester, Connecticut, March 8, 1909, and was buried at Fountain Hill Cemetery in Deep River.

This article incorporates public domain material from the Biographical Directory of the United States Congress