Senator Washburn may refer to:
Members of the United States Senate
William B. Washburn (1820–1887), U.S. Senator from Massachusetts from 1874 to 1875 William D. Washburn (1831–1912), U.S. Senator from Minnesota from 1889 to 1895
United States state senate members Charles G. Washburn (1857–1928), Massachusetts State Senate Emory Washburn (1800–1877), Massachusetts State Senate Ganem W. Washburn (1823–1907), Wisconsin State Senate Henry W. Washburn (1899–1983), Iowa State Senate Reuel Washburn (1793–1878), Maine State Senate Robert M. Washburn (1868–1946), Massachusetts State Senate
See also Senator Ashburn (disambiguation)