Moldova competed at the 2011 World Aquatics Championships in Shanghai, China between July 16 and 31, 2011.
Moldova qualified 3 swimmers.[1]
| Athlete | Event | Heats | Semifinals | Final | |||
|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | ||
| Serghei Golban | Men's 50m Freestyle | 24.23 | 50 | Did not advance | |||
| Men's 50m Butterfly | 25.37 | 34 | Did not advance | ||||
| Athlete | Event | Heats | Semifinals | Final | |||
|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | ||
| Tatiana Perstneva | Women's 100m Backstroke | 1:05.35 | 45 | Did not advance | |||
| Women's 200m Backstroke | 2:21.25 | 36 | Did not advance | ||||
| Evghenia Tanasienco | Women's 100m Breaststroke | 1:11.03 | 29 | Did not advance | |||
| Women's 200m Breaststroke | 2:34.00 | 28 | Did not advance | ||||