5th Corps, Fifth Corps, or V Corps may refer to:
France 5th Army Corps (France) V Cavalry Corps (Grande Armée), a cavalry unit of the Imperial French Army during the Napoleonic Wars V Corps (Grande Armée), a unit of the Imperial French Army during the Napoleonic Wars
Germany V Cavalry Corps (German Empire), a unit of the Imperial German Army V Corps (German Empire), a unit of the Imperial German Army V Reserve Corps (German Empire), a unit of the Imperial German Army V SS Mountain Corps, a unit of the Waffen SS in World War II V Army Corps (Wehrmacht), a unit in World War II
United States V Corps (United States) V Amphibious Corps V Corps Artillery (United States) V Corps (Union Army), a unit in the American Civil War Fifth Army Corps (Spanish–American War), a unit of the U.S. Army
Others V Corps (Bosnia and Herzegovina) V Army Corps (Greece) V Corps (North Korea) V Corps (Ottoman Empire) V Corps (Pakistan) V Corps, part of Ground Operations Command, South Korea 5th Corps (Syria) V Corps (United Kingdom)
See also List of military corps by number 5th Army (disambiguation) 5th Brigade (disambiguation) 5th Division (disambiguation) 5th Regiment (disambiguation) 5th Squadron (disambiguation)