Vietnam at the 2011 World Aquatics Championships
# Vietnam at the 2011 World Aquatics Championships

Vietnam competed at the 2011 World Aquatics Championships in Shanghai, China between July 16 and 31, 2011.

## Swimming

Vietnam qualified 3 swimmers.

### Men

| Athlete | Event | Heats | Heats | Semifinals | Semifinals | Final | Final |
| - | - | - | - | - | - | - | - |
| Athlete | Event | Time | Rank | Time | Rank | Time | Rank |
| Phạm Thành Nguyện | Men's 100m Freestyle | 53.10 | 63 | did not advance | did not advance | did not advance | did not advance |
| Phạm Thành Nguyện | Men's 200m Freestyle | 1:55.33 | 48 | did not advance | did not advance | did not advance | did not advance |
| Hoàng Quý Phước | Men's 100m Freestyle | 52.11 | 55 | did not advance | did not advance | did not advance | did not advance |
| Hoàng Quý Phước | Men's 100m Butterfly | 54.39 | 39 | did not advance | did not advance | did not advance | did not advance |
| Hoàng Quý Phước | Men's 200m Butterfly | 2:05.42 | 38 | did not advance | did not advance | did not advance | did not advance |
| Võ Thái Nguyên | Men's 200m Butterfly | 2:01.25 | 33 | did not advance | did not advance | did not advance | did not advance |
| Võ Thái Nguyên | Men's 400m IM | 4:41.02 | 33 | | | did not advance | did not advance |
