18th Division

• 18 Infantry Division Messina
• 18th (Eastern) Division
• 18th Artillery Division (Wehrmacht)
• 18th Cavalry Division (Soviet Union)
• 18th Division (German Empire)
• 18th Division (Imperial Japanese Army)
• 18th Division (North Korea)
• 18th Division (South Vietnam)
• 18th Guards Motor Rifle Division
• 18th Indian Division
• 18th Infantry Division (France)
• 18th Infantry Division (Greece)
• 18th Infantry Division (Poland)
• 18th Infantry Division (United Kingdom)
• 18th Infantry Division (Wehrmacht)
• 18th Machine Gun Artillery Division
• 18th Panzer Division (Wehrmacht)
• 18th Reserve Division (German Empire)
• 18th Rifle Division (Soviet Union)
• 18th Strategic Aerospace Division
• 18th Tank Division (Soviet Union)
• 39th Infantry Division (United States)
• British Indian Army