Antoinette Uys
Antoinette Uys is a badminton player from South Africa. She was the mixed doubles gold medalists at the 2002 African Championships and 2003 All-Africa Games. Uys competed in badminton at the 2004 Summer Olympics in the mixed doubles with partner Chris Dednam. They lost to Tsai Chia-Hsin and Cheng Wen-Hsing of Chinese Taipei in the round of 32.
Achievements
All-Africa Games
Women's doubles| Year | Venue | Partner | Opponent | Score | Result |
| 2003 | Indoor Sports Halls National Stadium, Abuja, Nigeria |  Marika Daubern | | Bronze |
Mixed doubles
| Year | Venue | Partner | Opponent | Score | Result |
| 2003 | Indoor Sports Halls National Stadium, Abuja, Nigeria | Chris Dednam | Stewart Carson Michelle Edwards | Gold |
African Championships
Mixed doubles| Year | Venue | Partner | Opponent | Score | Result |
| 2002 | Casablanca, Morocco | Chris Dednam | Johan Kleingeld Chantal Botts | Gold |
IBF International
Women's doubles| Year | Tournament | Partner | Opponent | Score | Result |
| 2002 | South Africa International | Marika Daubern | Chantal Botts Michelle Edwards | 2–7, 6–8, 2–7 | Runner-up |
Mixed doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2002 | South Africa International | Chris Dednam | Dean Potgieter Chantal Botts | 5–7, 1–7, 7–2, –, – | Winner |
| 2001 | South Africa International | Anton Kriel | Johan Kleingeld Karen Coetzer | Walkover | Runner-up |
| 1999 | South Africa International | Stewart Carson | Johan Kleingeld Karen Coetzer | 7–15, 8–15 | Runner-up |