1983 in South African sport
'See also: 1982 in South African sport, 1983 in South Africa, 1994 in South African sport and the Timeline of South African sport.
Boxing
- 23 September - Gerrie Coetzee, the South African heavyweight boxing champion, wins the World Boxing Association (WBA) title in Akron, Ohio by knocking out American Michael Dokes and becomes the first South African boxer to win a world heavyweight title. (See: Gerrie Coetzee vs. Michael Dokes )
Motorsport
- 15 October - The South African Grand Prix, is held at Kyalami