XIII Corps

13 Corps, 13th Corps, Thirteenth Corps, or XIII Corps may refer to:


 * XIII Corps (Grande Armée), a unit of the Imperial French Army during the Napoleonic Wars
 * XIII (Royal Württemberg) Corps, a unit of the Imperial German Army
 * XIII Corps (Ottoman Empire)
 * XIII Corps (United Kingdom)
 * XIII Army Corps (Wehrmacht), a German unit in the Second World War
 * XIII Corps (United States)
 * XIII Corps (Union Army), a unit in the American Civil War