Uruguay competed at the 2011 World Aquatics Championships in Shanghai, China between July 16 and 31, 2011.
Uruguay qualified 3 swimmers.[1]
| Athlete | Event | Heats | Semifinals | Final | |||
|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | ||
| Jose Melconian Alvez | Men's 100m Freestyle | 50.34 | 41 | Did not advance | |||
| Martin Kutscher | Men's 200m Freestyle | 1:52.49 | 41 | Did not advance | |||
| Athlete | Event | Heats | Semifinals | Final | |||
|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | ||
| Ines Remersaro Coronel | Women's 100m Backstroke | 1:05.73 | 47 | Did not advance | |||
| Women's 200m Backstroke | 2:21.07 | 35 | Did not advance | ||||