41st Battalion or 41st Infantry Battalion may refer to:

41st Battalion (French Canadian), CEF, an infantry unit of the Canadian Expeditionary Force during World War I 41st Battalion, Royal New South Wales Regiment, a unit of the Australian Army 41 Commando, a unit of the United Kingdom Royal Marine Corps 41st Battalion Iowa Volunteer Infantry, a unit of the Union (Northern) Army during the American Civil War

See also 41st Division (disambiguation) 41st Brigade (disambiguation) 41st Regiment (disambiguation) 41st Squadron (disambiguation)