XX Corps

20th Corps, Twentieth Corps, or XX Corps may refer to:


 * XX Corps (German Empire)
 * XX Corps (Ottoman Empire)
 * XX Corps (United Kingdom)
 * XX Corps (United States)
 * XX Corps (Union Army), a unit in the American Civil War
 * XX Army Corps (Wehrmacht)
 * XX Motorised Corps (Italy)
 * 20th Army Corps (Russian Empire)