57th Regiment or 57th Infantry Regiment may refer to:
57th (West Middlesex) Regiment of Foot, a disestablished unit of the British Army 57th Infantry Regiment (Philippine Commonwealth Army), a unit of the Philippine Commonwealth Army during the Second World War from 1941 to 1946 57th Infantry Regiment (United States), a unit of Philippine scouts serving under United States command during World War II 57th Infantry Regiment (Ottoman Army), a unit of the Ottoman Army during WWI 57th Line Infantry Regiment a unit of the French Army 57th Field Artillery Regiment (2nd/10th Dragoons), RCA, a unit of the Canadian Army 57th Infantry Regiment (United States), a unit of the US Army
American Civil War Union (North) Army 57th Illinois Volunteer Infantry Regiment 57th Indiana Infantry Regiment 57th New York Volunteer Infantry 57th Ohio Infantry 57th Pennsylvania Infantry 57th United States Colored Infantry
Confederate (Southern) Army 57th Virginia Infantry
See also 57th Division (disambiguation)