56th Brigade or 56th Infantry Brigade may refer to:
China 56th Motorized Infantry Brigade (People's Republic of China)
India 56th Indian Brigade of the British Indian Army in World War I
Japan 56th Independent Mixed Brigade
Russia/Soviet Union 56th Guards Air Assault Brigade
Ukraine 56th Motorized Brigade (Ukraine)
United Kingdom 56th (Cornwall) Anti-Aircraft Brigade 56th (Northumbrian) Anti-Aircraft Brigade 56th Infantry Brigade (United Kingdom) Artillery units 56th Brigade, Royal Field Artillery in World War I 56th (Wessex) Army Field Brigade, Royal Artillery after World War I 56th (Highland) Medium Brigade, Royal Garrison Artillery
United States 56th Cavalry Brigade 56th Field Artillery Brigade, a unit of the United States Army 56th Infantry Brigade Combat Team, a Texas National guard unit 56th Mobile Brigade Combat Team, a Pennsylvania National guard unit
See also 56th Division (disambiguation) 56th Group (disambiguation) 56th Regiment (disambiguation) 56th Squadron (disambiguation)