| Roles | Competed in Olympic Games |
|---|---|
| Sex | Female |
| Full name | Xu•Yanwei |
| Used name | Xu•Yanwei |
| Name order | Oriental |
| Original name | 徐•妍瑋 |
| Born | 14 June 1984 in Shanghai, Shanghai (CHN) |
| Measurements | 173 cm / 70 kg |
| Affiliations | ?, Shanghai (CHN) |
| NOC | People's Republic of China |
| Medals | OG |
| Gold | 0 |
| Silver | 1 |
| Bronze | 0 |
| Total | 1 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2004 Summer Olympics | Swimming (Aquatics) | CHN |
Xu Yanwei | |||
| 100 metres Freestyle, Women (Olympic) | =24 | |||||
| 4 × 100 metres Freestyle Relay, Women (Olympic) | People's Republic of China | 8 | ||||
| 4 × 200 metres Freestyle Relay, Women (Olympic) | People's Republic of China | 2 | Silver | |||
| 100 metres Butterfly, Women (Olympic) | 28 | |||||
| 2008 Summer Olympics | Swimming (Aquatics) | CHN |
Xu Yanwei | |||
| 4 × 100 metres Freestyle Relay, Women (Olympic) | People's Republic of China | 4 | ||||
| 100 metres Butterfly, Women (Olympic) | =32 |