Air Vice Marshal Clifford Mackay McEwen MC, DFC & Bar (2 July 1896 – 6 August 1967) was a fighter ace in the British Royal Flying Corps during World War I and a senior commander in the Royal Canadian Air Force during World War II.
Clifford MacKay McEwen was born on 2 July 1896 in Griswold, Manitoba and grew up in Moose Jaw, Saskatchewan.