84th Division or 84th Infantry Division may refer to:
84th Division (People's Republic of China) 84th African Infantry Division, French Army, World War II , French Army, World War I 84th Infantry Division (German Empire) 84th Infantry Division (Wehrmacht), Germany 84th Division (Imperial Japanese Army) 84th Infantry Division (Russian Empire) 84th Rifle Division, Soviet Union 84th Guards Rifle Division, Soviet Union 84th Division (Syria) 84th Division (United States)
See also List of military divisions by number 84th Brigade (disambiguation) 84th Regiment (disambiguation) 84th Squadron (disambiguation) 84th Wing (disambiguation)