23rd Brigade may refer to:
Australia
editGreece
editIran
edit- 23rd Airborne Special Forces Brigade, former name of 65th Airborne Special Forces Brigade (Iran)
United Kingdom
edit- 23rd Armoured Brigade (United Kingdom)
- 23rd Infantry Brigade (United Kingdom)
- 23rd (Nigerian) Brigade, later 1st (West Africa) Infantry Brigade, a World War II brigade
- 23rd Brigade Royal Field Artillery