Gerald S. "Gerry" McNamee (4 March 1934 – 17 November 1984) was a Canadian swimmer. He competed in three events at the 1952 Summer Olympics.
McNamee finished 2nd in the 1954 British Empire and Commonwealth Games 4 x 220 yards Freestyle Relay, 3rd in the 1955 Pan American Games 4 x 200 meter Freestyle Relay, fifth in the 1954 British Empire and Commonwealth Games 440 yards freestyle and sixth in the 1650 yards freestyle in the same event.