11th Division
11th Division or 11th Infantry Division may refer to:

Infantry divisions

 11th Division (Australia)
 11th Infantry Division (Bangladesh)
 11th Division (German Empire)
 11th Reserve Division (German Empire)
 11th Bavarian Infantry Division,  a unit of the Royal Bavarian Army, part of the Imperial German Army, in World War I
 11th SS Volunteer Panzergrenadier Division Nordland
 11th Infantry Division (Wehrmacht)
 11th Infantry Division (Greece)
 11th Indian Division, a unit of the British Indian Army during World War I
 11th Infantry Division (India)
 11th Infantry Division Brennero, Kingdom of Italy
 11th Division (Imperial Japanese Army)
 11th Infantry Division (Pakistan)
 11th Infantry Division (Poland)
 11th Infantry Division (Russian Empire)
 11th Rifle Division (Soviet Union)
 11th Division (Spain)
 11th Division (Sri Lanka)
 11th (East Africa) Division, a colonial unit of the British Empire during World War II
 11th (Northern) Division, a unit of the British Army during World War I
 11th Infantry Division (United States), a unit in World War I and World War II

Airborne divisions

 11th Airborne Division (United States)

Armored divisions

 11th Panzer Division (Wehrmacht), Germany
 11th Armoured Division (United Kingdom)
 11th Armored Division (United States)

Aviation divisions

 11th Air Division, a unit of the United States Air Force in Alaska

Air defense divisions

 11th Air Defense Division, Yugoslavia