14 Corps, 14th Corps, Fourteenth Corps, or XIV Corps may refer to:
XIV Corps (Grande Armée), a unit of the Imperial French Army during the Napoleonic Wars XIV Corps (German Empire), a unit of the Imperial German Army prior to and during World War I XIV Reserve Corps (German Empire), a unit of the Imperial German Army during World War I XIV Corps (India) XIV Corps (Ottoman Empire) 14th Army Corps (Russian Empire), a unit of the Imperial Russian Army between 1877 and 1918 14th Army Corps (Russian Federation), a unit of the Russian Ground Forces since 2016 14th Army Corps (Ukraine) XIV Corps (United Kingdom) XIV Corps (United States) XIV Corps (Union Army), a unit in the American Civil War
See also List of military corps by number