31st Division

31st Division may refer to:

• 31st Division (German Empire), a unit of the Imperial German Army
• 31st SS Volunteer Grenadier Division, a unit of the German Army
• 31st Division (Imperial Japanese Army), a unit of the Imperial Japanese Army
• 31 Infantry Division Calabria, a unit of the Italian Army
• 31st Division (United Kingdom), a unit of the United Kingdom Army
• 31st Infantry Division (Russian Empire), a unit of the Russian Empire
• 21st Guards Motor Rifle Division (31st Guards Rifle Division), a unit of the Soviet Army
• 31st Infantry Division (United States), a unit of the United States Army

Armoured divisions

• 31st Indian Armoured Division, a unit of British India during World War II
• 31st Armored Division (Israel), a reservist armored division in Israel that fought in the Six-Day War
• 31st Tank Division (Soviet Union), a unit of the Soviet Army

Aviation divisions

• 31st Air Division, a unit of the United States Air Force

See also

• 31st Group (disambiguation)
• 31st Brigade (disambiguation)
• 31st Regiment (disambiguation)
• 31st Battalion (disambiguation)
• 31st Squadron (disambiguation)