Zeng Xiujun (born 10 February 1979) is a Chinese sprinter who specialized in the 100 metres. Her personal best time is 11.25 seconds, achieved in April 1998 in Chengdu.
She finished eighth in 4 × 100 m relay at the 2000 Olympic Games, together with teammates Liu Xiaomei, Qin Wangping and Li Xuemei. At the 2002 Asian Games she won a gold medal in relay; at the 2002 World Cup she finished seventh in the same event.
| Year | Competition | Venue | Position | Event | Notes |
|---|---|---|---|---|---|
Representing  China
| |||||
| 1998 | World Junior Championships | Annecy, France | 13th (sf) | 100m | 11.88 (wind: +0.7 m/s) |
| 18th (qf) | 200m | 24.07 (wind: -1.1 m/s) | |||
| 2001 | East Asian Games | Osaka, Japan | 1st | 100 m | 11.48 |
| 1st | 4 × 100 m relay | 44.08 | |||
| World Student Games | Beijing, China | 2nd | 100 m | 11.58 | |
