49th Brigade
49th Brigade or 49th Infantry Brigade may refer to:
Germany
India
- 49th Indian Brigade of the British Indian Army in the First World War
- 49th Indian Infantry Brigade of the British Indian Army in the Second World War
Russia/Soviet Union
Spain
- 49th Mixed Brigade, a unit of the Spanish Republican Army
Ukraine
United Kingdom
- 49th Brigade (United Kingdom), a World War I formation of the British Army
- 49th Infantry Brigade (United Kingdom), a Cold War formation of the British Army