Alfred Washburn Benson, also known as Albert Washburn Benson (July 15, 1843 – January 1, 1916) was a United States Senator from Kansas. Born in Poland, Chautauqua County, New York, he moved to Jamestown, New York, in 1860, and attended Jamestown and Randolph Academies. During the Civil War, he enlisted in 1862 as a private in the One Hundred and Fifty-fourth Regiment, New York Volunteer Infantry, and at the close of the war held a commission as major. He retired from public life and died in Topeka in 1916, aged 72. Interment was in Highland Cemetery, Ottawa, Kansas.