41st Army may refer to:
Forty-First Army (Japan) (1944–1945), a part of the Imperial Japanese Army 41st Army (People's Republic of China), a former name of the 75th Group Army 41st Army (Russia), a field army of the Russian Ground Forces
See also 41st Army Corps (disambiguation) 41st Battalion (disambiguation) 41st Brigade (disambiguation) 41st Division (disambiguation) 41st Regiment (disambiguation) 41 Squadron (disambiguation)