Mark Anthony McKoy (born December 10, 1961) is a Canadian retired track and field athlete. He won the gold medal in the 110 metres hurdles at the 1992 Barcelona Olympics. He also won the 60 metres hurdles title at the 1993 IAAF World Indoor Championships, and the 110 metres hurdles titles at the Commonwealth Games in 1982 and 1986. He is the World record holder for the 50 metres hurdles with 6.25 secs (1986), and the Canadian record holder in the 60 metres hurdles with 7.41 secs (1993), and the 110 metres hurdles with 13.08 secs (1993).