30th Brigade

30th Brigade or 30th Infantry Brigade may refer to:


 * 30th Brigade (Australia), an infantry unit of the Australian Army
 * 30th Infantry Brigade (United Kingdom), an infantry unit of the British Army
 * 30th (Howitzer) Brigade Royal Field Artillery, an artillery unit of the British Army
 * 30th Armoured Brigade, an armoured unit of the British Army
 * 30th Indian Infantry Brigade, a unit of the British Indian Army
 * 30th Mechanized Infantry Brigade (Greece), a unit of the Greek Army
 * 30th Mechanized Brigade (Ukraine), a unit of the Ukrainian Ground Forces
 * 30th Heavy Brigade Combat Team (United States), a unit of the United States Army