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)