Mason Carter (January 26, 1834 – December 11, 1909) was a U.S. Army officer who served in the American Civil War and the Indian Wars during the late 19th century. He received the Medal of Honor for his role in the Battle of Bear Paw fought on January 8, 1877. At the age of 14, Carter enlisted with the United States Navy and went to sea as an active midshipman and upon his return he attended the United States Naval Academy.