Columbus Caldwell (September 25, 1830 – December 18, 1908) was an American farmer and politician.
Born in Charlotte, Chautauqua County, New York, Caldwell moved with his parents to Wisconsin Territory in 1836.
During the American Civil War, Caldwell enlisted in the 1st Wisconsin Volunteer Cavalry Regiment as a private.
He was appointed the first commandant of the soldiers house at Waupaca, Wisconsin.
This article about a Republican Party member of the Wisconsin State Assembly born in the 1830s is a stub.