| Intro | South African female sprinter |
| Is |
Runner Athlete Sprinter |
| From | South Africa |
| Type | Sports |
| Gender | female |
| Birth | 3 January 1977 |
| Age: | 43 years |
| Star sign | Capricorn |
Dominique Koster (born 3 January 1977) is a retired South African sprinter who specialized in the 400 metres.
Her biggest outing was the 2005 World Championships, where she competed on the South African 4 × 400 metres relay team. At the 2002 African Championships she finished seventh in the 200 metres and won a gold medal in the 4 × 100 metres relay.
Her personal best time was 53.97 seconds, achieved in April 2002 in Pretoria.