James H. Hamlin (November 3, 1875 – September 21, 1953) was a member of the Wisconsin State Assembly.
He was born in Mount Morris, Wisconsin.
[1] He moved with his family to Merrill, Wisconsin in 1883.
[2] On June 1, 1904, Hamlin married Alta Tarr.
Additionally, he was Clerk of Merrill and Lincoln County, Wisconsin Superintendent of Schools.