David John Shannon, DSO & Bar, DFC & Bar (27 May 1922 – 8 April 1993) was an Australian bomber pilot of World War II, known for his part in the "Dambusters" raid on the night of 16/17 May 1943. Born in South Australia, Shannon joined the Royal Australian Air Force (RAAF) in 1941 and learned to fly under the Empire Air Training Scheme. After further training in the United Kingdom he was posted to No. 106 Squadron RAF, operating Avro Lancaster heavy bombers, and was awarded the Distinguished Flying Cross (DFC) in January 1943.