Allen S. Baker (January 12, 1842 – January 1916), was an American politician and member of the Wisconsin State Assembly.
He was born near what is now Evansville, Wisconsin.
During the American Civil War, he served with the 2nd Wisconsin Volunteer Infantry Regiment.
[2] Baker's son, John Baker, would also become a member of the Assembly.
Baker was a member of the Assembly during the 1905 and 1907 sessions.