103rd Division or 103rd Infantry Division may refer to:
103rd Division (1st Formation) (People's Republic of China), 1948–1951 103rd Division (2nd Formation) (People's Republic of China), 1951–1952 103rd Commando Division, People's Democratic Republic of Ethiopia 103rd Infantry Division (German Empire) 103rd Infantry Division "Piacenza", Italian Army, World War II 103rd Division (Imperial Japanese Army)
103rd Guards Rifle Division, Soviet Union, later the 103rd Guards Airborne Division 103rd Rifle Division, Soviet Union 103rd Infantry Division (United States)
See also List of military divisions by number 103rd Brigade (disambiguation) 103rd Regiment (disambiguation) 103rd (disambiguation)