Datus Ensign Coon (1831–1893) was an American newspaper publisher, Union Army officer during the American Civil War, planter, and state politician in Alabama. He was a delegate to the 1875 Alabama Constitutional Convention and a fraternal order of veterans president in San Diego, California. He served as a state legislator during the Reconstruction era in Alabama. representing Dallas County, Alabama in the Alabama House of Representatives. He served on investigating committee evaluating corruption allegations against U.S. Senator George E. Spencer.