William A. Washburne Jr. (died March 24, 1974) was an American politician.

He served as a Republican member of the Florida House of Representatives.

[1][2] Before moving to Florida in 1947 Washburne lived in White Plains, New York and worked as an executive for the Gulf Oil company.

[1][2] In 1956, Washburne was the Republican candidate for governor of Florida losing to Leroy Collins.

[5][3] Washburne died March 24, 1974, at the age of 76 in Bay Pines hospital.