In military terms, 13th Division or 13th Infantry Division may refer to:
Infantry divisions
- 13th Division (People's Republic of China)
- 13th Division (German Empire)
- 13th Reserve Division (German Empire)
- 13th Waffen Mountain Division of the SS Handschar (1st Croatian), a German unit in World War II
- 13th Panzergrenadier Division (Bundeswehr), Germany
- 13th Infantry Division (Greece)
- 13th Infantry Division "Re", a unit of the Royal Italian Army
- 13th Division (Imperial Japanese Army)
- 13th Division (North Korea)
- 13th Infantry Division (Poland)
- 13th Guards Rifle Division, Soviet Union
- 13th Rifle Division (Soviet Union), Soviet Union
- 13th Division (Syrian rebel group)
- 13th (Western) Division, United Kingdom
- 13th Infantry Division (United Kingdom)
- 13th Division (United States)
- 13th Division (Syrian rebel group)
Airborne divisions
- 13th Guards Airborne Division, Soviet Union
- 13th Airborne Division (United States)
Armoured divisions
- 13th Armored Division (United States)
- 13th Tank Division (People's Republic of China)
- 13th Tank Division (Czechoslovakia)
- 13th Guards Tank Division, Soviet Union
- 13th Panzer Division (Wehrmacht), a German unit in World War II
Aviation divisions
- 13th Strategic Missile Division, United States
- 13th Air Defense Division
Other divisions
- 13th Army Division, Sweden
- 13th Guards Cavalry Division, Soviet Union
See also
- 13th Army (disambiguation)
- 13th Brigade (disambiguation)
- 13th Regiment (disambiguation)
- 13th Group (disambiguation)
- 13 Squadron (disambiguation)