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)

See also

• 31st Division (disambiguation)
• 31st Group (disambiguation)
• 31st Regiment (disambiguation)
• 31st Battalion (disambiguation)
• 31st Squadron (disambiguation)