11th Brigade may refer to:
Australia 11th Brigade (Australia)
Belarus 11th Guards Berlin-Carpathian Mechanized Brigade
Canada 11th Canadian Infantry Brigade
China 11th Armored Brigade (People's Republic of China)
France 11th Parachute Brigade (France)
Hungary 11th Armored Hajduk Brigade "István Bocskai" 11th Infantry Brigade (Hungary)
India 11th Cavalry Brigade (British Indian Army) 11th Indian Brigade 11th Indian Cavalry Brigade 11th Indian Infantry Brigade
Italy 11th Carabinieri Mechanized Brigade
Japan 11th Brigade (Japan) 11th Independent Mixed Brigade (Imperial Japanese Army)
Netherlands 11th Airmobile Brigade (Netherlands)
Russia 11th Guards Air Assault Brigade
Soviet Union 11th Guards Berlin-Carpathian Mechanized Brigade 11th Rocket Brigade
Spain XI International Brigade
Ukraine 11th Anti-aircraft Missile Brigade (Ukraine) 11th Army Aviation Brigade (Ukraine) 11th Artillery Brigade (Ukraine) 11th Public Order Brigade (Ukraine)
United Kingdom 11 Brigade (United Kingdom) 11th Armoured Brigade (United Kingdom) 11th Infantry Brigade (United Kingdom) 11th Mounted Brigade (United Kingdom) 11th Reserve Brigade 11th Signal and West Midlands Brigade Artillery units 11th Brigade Royal Field Artillery 11th (Devon) Army Brigade, Royal Field Artillery 11th (Honourable Artillery Company and City of London Yeomanry) Brigade, Royal Horse Artillery XI Brigade, Royal Horse Artillery
United States 11th Air Defense Artillery Brigade (United States) 11th Corps Signal Brigade (United States) 11th Expeditionary Combat Aviation Brigade 11th Infantry Brigade (United States) 11th Military Police Brigade (United States)
See also 11th Division (disambiguation) 11th Regiment (disambiguation)