// Workers AI · dad joke modeWhy was the 21st Division a great math student? It always divided attention.

21st Division or 21st Infantry Division may refer to:

Infantry divisions

• 21st Division (People's Republic of China)
• 21st Infantry Division (France)
• 21st Division (German Empire)
• 21st Landwehr Division, German Empire
• 21st Reserve Division, German Empire
• 21st Infantry Division (Wehrmacht), Germany
• 21st Parachute Division, Germany
• 21st Waffen Mountain Division of the SS Skanderbeg, Germany
• 21st Mountain Division (India)
• 21st Division (Iran)
• 21st Infantry Division "Granatieri di Sardegna", Kingdom of Italy
• 21st Division (Imperial Japanese Army)
• 21st Division (Philippines)
• 21st Mountain Infantry Division (Poland)
• 21st Infantry Division (Russian Empire)
• 21st Infantry Division (South Korea)
• 21st Division (South Vietnam)
• 21st Guards Motor Rifle Division (Russia)
• 21st Guards Airborne Division, Soviet Union
• 21st Guards Mechanized Division, later the 21st Guards Motor Rifle Division, Soviet Union
• 21st Guards Rifle Division, Soviet Union
• 21st Motor Rifle Division, Soviet Union
• 21st Motor Rifle Division NKVD, Soviet Union
• 21st Rifle Division (Soviet Union)
• 21st Division (Spain)
• 21st Division (United Kingdom)
• 21st Airborne Division, United States deception formation during WWII
• 21st Division (Yugoslav Partisans)

Cavalry divisions

• 21st Cavalry Division, United States

Armoured divisions

• 21st Armoured Division (Egypt), part of the Western Military Region (Egypt)
• 21st Panzer Division, Wehrmacht, Germany
• 21st Guards Tank Division, Soviet Union
• 21st Armored Division (United States), a division of the U.S. Army

Aviation divisions

• 21st Air Division, United States
• 21st Aviation Division, Yugoslavia

See also

• 21st Army (disambiguation)
• XXI Corps (disambiguation)
• 21st Brigade (disambiguation)
• 21st Regiment (disambiguation)
• 21st Battalion (disambiguation)
• 21st Squadron (disambiguation)