List of military corps — List of military corps by number — List of military corps by name
21 Corps, 21st Corps, Twenty First Corps, or XXI Corps may refer to:
- XXI Corps (German Empire), a unit of the Imperial German Army prior to and during World War I
- XXI Corps (Ottoman Empire), active during World War I
- XXI Corps (United Kingdom), active during World War I
- Indian XXI Corps, active during World War II
- XXI Corps (India), currently active Indian Army corps
- XXI Corps (United States), active during World War II
- XXI Corps (Union Army), active during the American Civil War
 |
This disambiguation page lists articles about military units and formations which are associated with the same title. If an internal link referred you to this page, you may wish to change the link to point directly to the intended article. |
 |
The original article can be found at XXI Corps and the edit history here.