Liechtenstein competed at the 2011 World Aquatics Championships in Shanghai, China between July 16 and 31, 2011.
Liechtenstein qualified 1 swimmer.[1]
| Athlete | Event | Heats | Semifinals | Final | |||
|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | ||
| Julia Hassler | Women's 400m Freestyle | 4:17.61 | 25 | Did not advance | |||
| Women's 800m Freestyle | 8:46.00 | 24 | Did not advance | ||||
| Women's 1500m Freestyle | 16:34.74 | 18 | Did not advance | ||||