13th Division

• 13 Squadron (disambiguation)
• 13th (Western) Division
• 13th Air Defense Division
• 13th Airborne Division (United States)
• 13th Armored Division (United States)
• 13th Army (disambiguation)
• 13th Army Division
• 13th Brigade (disambiguation)
• 13th Division (German Empire)
• 13th Division (Imperial Japanese Army)
• 13th Division (North Korea)
• 13th Division (People's Republic of China)
• 13th Division (Syrian rebel group)
• 13th Division (United States)
• 13th Group (disambiguation)
• 13th Guards Airborne Division
• 13th Guards Cavalry Division
• 13th Guards Rifle Division
• 13th Guards Tank Division
• 13th Infantry Division (Greece)
• 13th Infantry Division (Poland)
• 13th Infantry Division Re
• 13th Panzer Division (Wehrmacht)
• 13th Panzergrenadier Division (Bundeswehr)
• 13th Regiment (disambiguation)
• 13th Reserve Division (German Empire)
• 13th Rifle Division
• 13th Strategic Missile Division
• 13th Tank Division (Czechoslovakia)
• 13th Tank Division (People's Republic of China)
• 13th Waffen Mountain Division of the SS Handschar (1st Croatian)
• Western Macedonia Army Section