XVIII Corps
# XVIII Corps

18 Corps, 18th Corps, Eighteenth Corps, or XVIII Corps may refer to:

* 18th Army Corps (France)
* XVIII Army Corps (Wehrmacht), a unit of the German Army
* XVIII Corps (German Empire)
* XVIII Reserve Corps (German Empire)
* XVIII Corps (Ottoman Empire)
* XVIII Corps (United Kingdom)
* XVIII Airborne Corps, United States
* XVIII Corps (Union Army), a unit in the American Civil War
