147th Regiment may refer to:
147th Regiment (United States), previously the 147th Infantry Regiment 147th Anti-Aircraft Missile Regiment, Soviet Union 147th Aviation Regiment, United States 147th Field Artillery Regiment, United States 147th Regiment Royal Armoured Corps
American Civil War regiments 147th Illinois Infantry Regiment 147th Indiana Infantry Regiment 147th New York Infantry Regiment 147th Ohio Infantry Regiment 147th Pennsylvania Infantry Regiment
See also 147th Brigade (disambiguation)