15th Division

• 15th (Scottish) Infantry Division
• 15th Air Defense Division
• 15th Cavalry Division (Russian Empire)
• 15th Cavalry Division (United States)
• 15th Division (German Empire)
• 15th Division (Imperial Japanese Army)
• 15th Division (North Korea)
• 15th Fighter Aviation Division (People's Liberation Army Air Force)
• 15th Indian Division
• 15th Infantry Division (France)
• 15th Infantry Division (Greece)
• 15th Infantry Division (Iraq)
• 15th Infantry Division (Philippines)
• 15th Infantry Division (Poland)
• 15th Infantry Division (United States)
• 15th Infantry Division (Wehrmacht)
• 15th Infantry Division Bergamo
• 15th Landwehr Division (German Empire)
• 15th Motorized Infantry Division (France)
• 15th Panzer Division (Wehrmacht)
• 15th Panzergrenadier Division (Wehrmacht)
• 15th Reserve Division (German Empire)
• 15th Rifle Division
• 15th Special Forces Division
• 15th Waffen Grenadier Division of the SS (1st Latvian)
• 19th Waffen Grenadier Division of the SS (2nd Latvian)
• British Indian Army
• Latvian Legion