33rd Brigade
33rd Brigade or 33rd Infantry Brigade may refer to:
Australia
- 33rd Brigade (Australia), a unit of the Australian Army
Canada
- 33 Canadian Brigade Group, a unit of the Canadian Army
Greece
India
- 33rd Indian Brigade of the British Indian Army in the First World War
- 33rd Indian Infantry Brigade of the British Indian Army in the Second World War
Iran
Japan
Ukraine
United Kingdom
- 33rd (Western) Anti-Aircraft Brigade
- 33rd Armoured Brigade (United Kingdom)
- 33rd Infantry Brigade (United Kingdom)
- 33rd Brigade, Royal Field Artillery
- 33rd Divisional Trench Mortar Brigade
United States
- 33rd Infantry Brigade Combat Team (United States), a unit of the United States Army