126th Brigade

126th Brigade may refer to:


 * 126th (East Lancashire) Brigade, a unit of the British Army during the First and Second World Wars
 * 126th Coastal Defence Brigade, a formation of the Coastal Defense Troops of the Russian Navy
 * 126th Air Surveillance, Early Warning and Guidance Brigade, a joint tactical unit of Serbian Air Force and Air Defense
 * 126th Territorial Defense Brigade (Ukraine), a unit of the Ukrainian Territorial Defense Forces