11th Brigade may refer to: Australia 11th Brigade (Australia) India 11th Cavalry Brigade (British Indian Army) 11th Indian Cavalry Brigade 11th Indian Infantry Brigade Japan 11th Brigade (Japan) Spain XI International Brigade United Kingdom 11th Armoured Brigade (United Kingdom) 11th Infantry Brigade (United Kingdom) 11th Mounted Brigade (United Kingdom) 11th Signal Brigade (United Kingdom) XI Brigade, Royal Horse Artillery United States 11th Infantry Brigade (United States)