40th Brigade
40th Brigade may refer to:
British India
Russia/Soviet Union
- 40th Air Assault Brigade
- 40th Separate Guards Naval Infantry Brigade, a unit of the Russian Navy
Ukraine
- 40th Artillery Brigade (Ukraine)
- 40th Marine Brigade (Ukraine)
- 40th Tactical Aviation Brigade, an aviation unit of the Ukrainian Air Force
United Kingdom
United States
- 40th Combat Aviation Brigade
- 40th Division Sustainment Brigade
- 40th Infantry Brigade Combat Team (United States), a unit of the United States Army