Southern Army may refer to:
Southern Expeditionary Army Group, part of the Imperial Japanese Army during the World War II era Southern Army, a name under which Southern Command of the British Indian Army operated from 1942–45 Southern Army of Gondor, from J. R. R. Tolkien's Middle-earth fiction Confederate States Army of the U.S. Civil War Southern Army (Italy) Southern Army (Syria), an Israeli-proposed paramilitary force in southern Syrian.