6th Brigade
- 6th Airborne Brigade (Poland)
- 6th Airlanding Brigade (United Kingdom)
- 6th Anti-aircraft Missiles Brigade (Romania)
- 6th Armoured Brigade (France)
- 6th Armoured Brigade (United Kingdom)
- 6th Brigade (Australia)
- 6th Brigade (Austria)
- 6th Brigade (Norway)
- 6th Canadian Infantry Brigade
- 6th Cavalry Brigade (United Kingdom)
- 6th Guards Brigade
- 6th Indian Brigade
- 6th Indian Cavalry Brigade
- 6th Indian Infantry Brigade
- 6th Infantry Brigade (New Zealand)
- 6th Infantry Brigade (South Africa)
- 6th Infantry Brigade (United Kingdom)
- 6th Mechanized Brigade (Ukraine)
- 6th Mountain Infantry Brigade (Argentina)
- 6th Mounted Brigade (United Kingdom)
- 6th Separate Guards Cossack Motor Rifle Brigade
- 6th Separate Special-Police Brigade
- 6th Separate Tank Brigade (Russia)
- Etzioni Brigade
- VI Brigade, Royal Horse Artillery