81st Brigade
# 81st Brigade

81st Brigade may refer to:

* 81st Mechanized Brigade (Romania), a unit of the Romanian Army
* 81st Mixed Brigade, a unit of the Spanish Republican Army
* 81st Brigade (United Kingdom), a formation of the British Army in the First World War
* 81st Armored Brigade Combat Team (United States), a unit of the United States Army
* 81st Airmobile Brigade (Ukraine), a unit of the Ukrainian Air Assault Forces
