Yang Siju (born 19 April 1973 in Qushi 曲石, Tengchong County, Yunnan) is a Chinese long-distance runner who specialized in the 10,000 metres.
She finished seventh at the 1997 World Championships in Athens in a time of 32:01.61 minutes.
Her personal best time was 31:16.39 minutes, achieved in October 1997 in Shanghai.
| Year | Tournament | Venue | Result | Event | |
|---|---|---|---|---|---|
| 1996 | Olympic Games | Atlanta, United States | 20th | 5,000 m | |
| 19th | 10,000 m | ||||
| 1997 | World Championships | Athens, Greece | 7th | 10,000 m |