103rd Brigade
103rd Brigade may refer to:
- 103rd Separate Guards Airborne Brigade (Russia)
- 103rd Mixed Brigade (Republican Spain)
- 103rd Territorial Defense Brigade (Ukraine), a unit of the Ukrainian Territorial Defense Forces
- 103rd (Suffolk) Brigade, Royal Field Artillery (United Kingdom)
- 103rd (Tyneside Irish) Brigade (United Kingdom)
- 103rd Field Artillery Brigade (United States)