56th Regiment may refer to:
56th (West Essex) Regiment of Foot, a unit of the British Army
56th (King's Own) Anti-Tank Regiment, Royal Artillery, a unit of the British Army 56th Punjabi Rifles (Frontier Force), a unit of the British Indian Army 56th Infantry Regiment (United States), a unit of United States Army during World War I and World War II 56th Air Defense Artillery Regiment, a unit of the United States Army 56th Field Artillery Regiment, RCA, a unit of the Canadian Army
American Civil War
Union (Northern) Army
56th Massachusetts Infantry Regiment
56th New York Volunteer Infantry
56th Illinois Volunteer Infantry Regiment
56th Ohio Infantry
56th Regiment Indiana Infantry
56th United States Colored Infantry Regiment
56th Pennsylvania Infantry
Confederate (Southern) Army
56th North Carolina Infantry
56th Virginia Infantry
See also
56th Division (disambiguation) 56th Group (disambiguation) 56th Brigade (disambiguation) 56th Squadron (disambiguation)