121st Brigade may refer to: * 121st Brigade a 'bantam' infantry formation of the British Army 1915–18 * 121st Infantry Brigade a deception formation of the British Army in Sicily 1943–44 * CXXI Brigade Royal Artillery a British Army unit 1915–16 * 121st Artillery Brigade of the former Soviet Ground Forces * 121st Brigade of the Chinese Republican army 1932 * 121st Field Artillery Brigade of the Egyptian Army * 121st (Independent) Infantry Brigade of the Indian Army * 121st Tank Brigade of the Red Army 1942 * 121st High-Power Howitzer Artillery Brigade of the Red Army 1945 This disambiguation page lists articles about military units and formations which are associated with the same title. If an internal link referred you to this page, you may wish to change the link to point direc