Ridgley Ceylon Powers (December 24, 1836 – November 11, 1912) was a U.S. Army officer in the American Civil War who served as Mississippi's lieutenant governor in 1870 before becoming governor from 1871 to 1874.[1] He was from Ohio and served in the Union Army during the American Civil War. He succeeded James L. Alcorn as governor when Alcorn resigned to become a U.S. senator.