Southern Army

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)