The 34th Armoured Brigade was an armoured formation of the British Army. It was formed in 1941 as the 34th Army Tank Brigade and subsequently redesignated as the 34th Tank Brigade in February 1945 and became part of the 79th Armoured Division. It was equipped with Churchill tanks and provided close support for infantry assaults. The Brigade served in both the First Canadian Army and the British Second Army. It was disbanded in early 1946.