No. 5 Squadron RCAF was a Royal Canadian Air Force squadron that was active during the Second World War. It was primarily used in an anti-submarine role with Eastern Air Command and was based at Dartmouth, Nova Scotia, Gander, Newfoundland and Sydney, Nova Scotia. The squadron flew the Supermarine Stranraer, Consolidated Canso and Consolidated Catalina before disbanding on 15 July 1945.