10th Corps, Tenth Corps, or X Corps may refer to:

France 10th Army Corps (France) X Corps (Grande Armée), a unit of the Imperial French Army during the Napoleonic Wars

Germany X Corps (German Empire), a unit of the Imperial German Army X Reserve Corps (German Empire), a unit of the Imperial German Army X Army Corps (Wehrmacht), a unit in World War II X SS Corps, a unit in World War II

Russia-USSR 10th Army Corps (Russian Empire) 10th Rifle Corps (USSR) 10th Mechanized Corps (Soviet Union)

Others X Corps (India) X Corps (Ottoman Empire) X Corps (Pakistan) X Army Corps (Spain) X Corps (United Kingdom) X Corps (United States) X Corps (Union Army)

See also X Corp. X-Corporation List of military corps by number 10th Army (disambiguation) 10th Battalion (disambiguation) 10th Brigade (disambiguation) 10th Division (disambiguation) 10th Regiment (disambiguation) 10th Squadron (disambiguation)