Marius Corbett is a South African javelin thrower. He won a gold medal at the 1997 World Championships in Athletics, improving his personal best by 4.50 m during the contest. The following year he threw 88.75 m to win the 1998 Commonwealth Games, which was the Commonwealth Games Record until Arshad Nadeem threw 90.18 m in 2022 and was also the African record until Julius Yego's throw of 91.39 m on 7 June 2015 in Birmingham.