9th Division, 9th Infantry Division or 9th Armoured Division may refer to:
Infantry divisions 9th Division (Australia) 9th Infantry Division (Bangladesh) 9th Infantry Division (Belgium) 9th Division (People's Republic of China) 9th Reserve Division (People's Republic of China) 9th Colonial Infantry Division, France 9th Division (German Empire) 9th Reserve Division (German Empire) 9th Bavarian Reserve Division, World War I 9th Landwehr Division, German Empire 9th Infantry Division (Wehrmacht), Germany 9th Luftwaffe Field Division, Germany) 9th Mountain Division (Wehrmacht), Germany 9th Infantry Division (Greece) 9th (Secunderabad) Division, British Indian Army, before and during World War I 9th Infantry Division (India) 9th Division (Imperial Japanese Army) 9th Division (Japan) 9th Division (North Korea) 9th Infantry Division (Ottoman Empire)
9th Infantry Division (Philippines), Spear Division 9th Infantry Division (Poland) 9th Infantry Division (Russian Empire) 9th Siberian Rifle Division, Russian Empire 9th Singapore Division 9th Division (South Africa) 9th Infantry Division (South Korea) 9th Division (South Vietnam) 9th Don Rifle Division, Soviet Union 9th Guards Rifle Division, Soviet Union 9th Infantry Division (Soviet Union) 9th Infantry Division (Thailand) 9th (Scottish) Division, World War I 9th (Highland) Infantry Division, World War II 9th Infantry Division (United States) 9th Division (Vietnam) 9th Division (Yugoslav Partisans)
Airborne divisions 9th Parachute Division (Germany) 9th Airborne Division (India) 9th Airborne Division (Sudan) 9th Guards Airborne Division, Soviet Union 9th Airborne Division (United States)
Motorized divisions 9th Motorized Division, France 9th Infantry Division "Pasubio", Kingdom of Italy 9th Guards Motor Rifle Division, Soviet Union
Cavalry divisions 9th Cavalry Division (German Empire) 9th Cavalry Division (Russian Empire)
Armoured divisions 9th Panzer Division (Wehrmacht), Germany 9th SS Panzer Division Hohenstaufen, Germany 9th Armoured Division (Greece) 9th Armoured Division (Iraq) 9th Tank Division (People's Republic of China) 9th Guards Tank Division, Soviet Union 9th Tank Division (Soviet Union) 9th Armoured Division (Syria) 9th Armoured Division (United Kingdom) 9th Armored Division (United States)
Aviation divisions
9th Air Division (Germany) 9th Air Division (Japan) 9th Bombardment Division, United States 9th Space Division, United States
Other divisions 9th Flak Division, Wehrmacht, Germany 9th Special Forces Division of Aleppo, Syrian rebel group 9th Naval Surface Ships Division (Ukraine) 9th Anti-Aircraft Division (United Kingdom)
See also Division No. 9 (disambiguation) Ninth Army (disambiguation) IX Corps (disambiguation) 9th Brigade (disambiguation) 9th Regiment (disambiguation) 9 Squadron (disambiguation)