In military terms, 73rd Division or 73rd Infantry Division may refer to:
Infantry divisions 73rd Division (2nd Formation) (People's Republic of China) 73rd Infantry Division (Wehrmacht), Germany 73rd Division (Imperial Japanese Army) 73rd Infantry Division (Russian Empire) 73rd Infantry Division (South Korea) 73rd Rifle Division, Soviet Union/Russia 73rd Guards Rifle Division, Soviet Union 73rd Division (United Kingdom) 73rd Infantry Division (United States), planned during WWII but never formed
Artillery divisions 73rd Anti-Aircraft Artillery Division, Soviet Union
Aviation divisions 73rd Air Division, United States
See also List of military divisions by number 73rd Brigade (disambiguation) 73rd Regiment (disambiguation)