9th Division

• 9th (Highland) Infantry Division
• 9th (Scottish) Division
• 9th (Secunderabad) Division
• 9th Armored Division (United States)
• 9th Armoured Division (Greece)
• 9th Armoured Division (Syria)
• 9th Armoured Division (United Kingdom)
• 9th Bavarian Reserve Division
• 9th Cavalry Division (German Empire)
• 9th Division (Australia)
• 9th Division (German Empire)
• 9th Division (Imperial Japanese Army)
• 9th Division (Iraq)
• 9th Division (North Korea)
• 9th Division (Singapore)
• 9th Division (South Vietnam)
• 9th Infantry Division (Bangladesh)
• 9th Infantry Division (Greece)
• 9th Infantry Division (India)
• 9th Infantry Division (Ottoman Empire)
• 9th Infantry Division (Philippines)
• 9th Infantry Division (South Korea)
• 9th Infantry Division (Soviet Union)
• 9th Infantry Division (United States)
• 9th Infantry Division (Wehrmacht)
• 9th Landwehr Division
• 9th Luftwaffe Field Division (Germany)
• 9th Motorised Division Pasubio
• 9th Motorized Division (France)
• 9th Mountain Division (Wehrmacht)
• 9th Panzer Division (Wehrmacht)
• 9th Parachute Division (Germany)
• 9th Reserve Division (German Empire)
• 9th SS Panzer Division Hohenstaufen
• 9th Space Division
• 9th Tank Division (People's Republic of China)
• 9th Tank Division (Soviet Union)