Aquatics
- 16 March - Lyndon Ferns, Ryk Neethling, Roland Schoeman and Johannes Zandberg win gold in the Men's 4x100 m Freestyle Relay at the 2006 Commonwealth Games in Melbourne and sets up a new Games record of 3:14.97
- 17 March - Natalie du Toit wins gold in the Women's 50 m EAD Freestyle at the Commonwealth Games bettering the existing record twice (during Heat 2 and Final A) to 29.27 seconds.
- [Johannes Zandberg wins bronze in the Men's 50 metre Backstroke at the Commonwealth Games
- Lize-Mari Retief ties with Alice Mills of Australia for bronze in the Women's 50 metre Butterfly at the Commonwealth Games
- 18 March - Roland Schoeman wins gold in the Men's 50 m Butterfly at the Commonwealth Games
- Johannes du Rand wins silver in the Men's 200 m Backstroke at the Commonwealth Games
- Suzaan van Biljon - wins bronze in the Women's 200 m Breaststroke at the Commonwealth Games
- 19 March Natalie du Toit wins gold in the Women's 100 m EAD Freestyle at the Commonwealth Games
- Ryk Neethling wins silver in the Men's 100 m Freestyle at the Commonwealth Games
- Roland Schoeman wins bronze in the Men's 100 m Freestyle at the Commonwealth Games
- 21 March - Roland Schoeman wins gold in the Men's 50 m Freestyle at the Commonwealth Games
- Hercules Prinsloo win bronze in the Men's 1500 m Freestyle at the Commonwealth Games
Read more about this topic: 2006 In South African Sport