Malcolm J. Tucker (born 1947) is a British former international swimmer.
Tucker was educated at Millfield School from 1961 to 1965.
Tucker represented the England team at the 1966 British Empire and Commonwealth Games in Kingston, Jamaica, where he won a silver medal in the 440 yards medley and a bronze medal in the 110 yards breaststroke, He also reached the final of the 220 yards breaststroke event.
He swam for the Southall Club.