Xu Yanwei is a swimmer who has competed for China. She competed at the 2004 and 2008 Summer Olympic Games. She claimed a silver as a member of the Chinese women's team in the 4x200 metres freestyle relay at her first Games in 2004.
Olympic Results[]
| Year | Event | Rank |
|---|---|---|
| 2004 | Women's 100m freestyle | 24th |
| Women's 100m butterfly | 28th | |
| Women's 4x100m freestyle relay | 8th | |
| Women's 4x200m freestyle relay | 
| |
| 2008 | Women's 100m butterfly | 32nd |
| Women's 4x100m freestyle relay | 4th |
2004[]
| Discipline | Round | Time | |
|---|---|---|---|
| 100 metres freestyle | Heats | 56.66 | |
| Semifinal | Did not advance | ||
| Final | |||
| 100 metres butterfly | Heats | 1:01.53 | |
| Semifinal | Did not advance | ||
| Final | |||
| 4x100 metres freestyle relay | Heats | 3:42.84 (55.43 split) |
|
| Final | 3:42.90 (55.19 split) |
||
| 4x200 metres freestyle relay | Heats | 8:05.38 (Reserve) |
|
| Final | 7:55.97 (1:58.45 split) |
AR | |
2008[]
| Discipline | Round | Time | |
|---|---|---|---|
| 100 metres butterfly | Heats | 59.43 | |
| Semifinal | Did not advance | ||
| Final | |||
| 4x100 metres freestyle relay | Heats | 3:36.78 (55.13 split) |
AR |
| Final | 3:35.64 (54.64 split) |
AR | |