34th Brigade

34th Brigade or 34th Infantry Brigade may refer to:


 * 34th Brigade (Australia), a unit of the Australian Army
 * 34 Canadian Brigade Group, a unit of the Canadian Army
 * 34th Mechanized Infantry Brigade (Greece), a unit of the Greek Army
 * 34th Indian Brigade of the British Indian Army in the First World War
 * 34th Indian States Forces Infantry Brigade of the British Indian Army in the Second World War
 * 34th Infantry Brigade (Romania), a unit of the Romanian Army
 * 34th Combat Aviation Brigade, a unit of the United States Army
 * 34th Independent Motor Rifle (Mountain) Brigade, a unit of the Russian Army

United Kingdom:
 * 34th (South Midland) Anti-Aircraft Brigade
 * 34th Armoured Brigade (United Kingdom)
 * 34th Brigade (United Kingdom)
 * 34th Brigade Royal Field Artillery