422 Squadron RCAF was a unit of the Royal Canadian Air Force, formed during World War II.

422 General Reconnaissance Squadron formed at RAF Castle Archdale near Lough Erne, Northern Ireland, in April 1942.

It was a flying-boat squadron, flying Cansos and Short Sunderlands to patrol the North Atlantic for German U-boats.

The squadron went to 4 Wing RCAF Station Baden-Soellingen in August 1953, becoming part of the Canadian Armed Forces in 1968.

Becoming 422 Fighter Squadron, CAF, it remaining there until deactivation in July 1970.