36th Brigade or 36th Infantry Brigade may refer to:
- 36 Canadian Brigade Group of the Canadian Army
- 36th Indian Brigade of the British Indian Army in the First World War
- 36th Indian Infantry Brigade of the British Indian Army in the Second World War
- 36th Engineer Brigade (United States) of the United States Army
- Task Force Mustang, formally known as the 36th Combat Aviation Brigade, of the United States Army
- 36th Separate Guards Motor Rifle Brigade of the Russian Army
- 36th Separate Marine Brigade of the Ukrainian Naval Infantry
- United Kingdom
- 36th Infantry Brigade (United Kingdom)
- Artillery Brigades