John Cock (RAF officer)

John Reynolds Cock, DFC (3 March 1918 – 20 August 1988) was an Australian-born flying ace of the Royal Air Force (RAF) during the Second World War. He was credited with at least ten aerial victories.

From South Australia, Cock joined the RAF in March 1938. After completing his flight training the following year, he was posted to No. 87 Squadron. Sent to France as part of the Air Component of the British Expeditionary Force, he flew Hawker Hurricane fighters in the Battle of France and the subsequent Battle of Britain, achieving a number of aerial victories. He served for a period as an instructor before resuming operational flying with No. 453 Squadron. Sent to Australia in early 1943, he was based at Darwin with No. 1 Fighter Wing for several months before returning to Europe to serve with No. 3 Squadron, flying Hawker Tempest fighters. He spent the final months of the war in East Africa. He remained in the RAF after the war, commanding No. 72 Squadron, in Austria, for several months. His service with the RAF ended in early 1948 and he returned to Australia where he died in 1988.