Colin Leslie McCool (9 December 1916 – 5 April 1986) was an Australian cricketer who played in 14 Tests from 1946 to 1950. McCool, born in Paddington, New South Wales, was an all-rounder who bowled leg spin and googlies with a round arm action and as a lower order batsman was regarded as effective square of the wicket and against spin bowling. He made his Test début against New Zealand in 1946, taking a wicket with his second delivery.