Air Marshal William Avery Bishop, VC, CB, DSO & Bar, MC, DFC, ED (8 February 1894 – 11 September 1956) was a Canadian flying ace of the First World War. He was officially credited with 72 victories, making him the top Canadian and British Empire ace of the war, and also received a Victoria Cross. During the Second World War, Bishop was instrumental in setting up and promoting the British Commonwealth Air Training Plan.