John C. Schuman (December 6, 1881 – July 11, 1971) was an American farmer and politician. Born in Milwaukee, Wisconsin, Schumann went to the Milwaukee public schools and went to a business college. He learn the machinist trade and then went into farming. He moved to Watertown, Wisconsin in 1906. He was involved with the Watertown Milking Co-op (later renamed the Dairy Distributors) and was a past president of the co-op. Schuman served in the Wisconsin State Senate, from 1923 to 1931, and was a Republican. Schumann died in a hospital in Milwaukee, Wisconsin after a long illness.