title: 31st Brigade
text: # 31st Brigade
  
  31st Brigade or 31st Infantry Brigade may refer to:
  
  * 31st Brigade (Australia)
  * 31st Brigade (France)
  * 31st Mechanized Infantry Brigade (Greece)
  * 31st Indian Brigade of the British Indian Army in the First World War
  * 31st Indian Infantry Brigade of the British Indian Army in the Second World War
  * 31st Mechanized Brigade (Soviet Union)
  * 31st Mechanized Brigade (Ukraine)
  * 31st Air Defense Artillery Brigade (United States)
  * 31st (North Midland) Anti-Aircraft Brigade (United Kingdom)
  * 31st Brigade (United Kingdom)
  