29th Brigade or 29th Infantry Brigade may refer to:
Australia 29th Brigade (Australia)
Greece 29th Infantry Brigade (Greece)
India 29th Indian Brigade of the British Indian Army in the First World War 29th Indian Infantry Brigade of the British Indian Army in the Second World War
Ukraine 29th Heavy Mechanized Brigade
United Kingdom 29th (East Anglian) Anti-Aircraft Brigade 29th Armoured Brigade (United Kingdom) 29th Engineer Brigade 29th Infantry Brigade (United Kingdom) 29th Brigade Royal Field Artillery
United States 29th Infantry Brigade Combat Team
See also 29th Division (disambiguation) 29th Regiment (disambiguation)