Netherlands Antilles competed at the 2011 World Aquatics Championships in Shanghai, China between July 16 and 31, 2011.
Netherlands Antilles qualified 1 swimmer.[1]
| Athlete | Event | Heats | Semifinals | Final | |||
|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | ||
| Rodion Davelaar | Men's 50m Breaststroke | 28.21 | 24 | Did not advance | |||
| Men's 100m Breaststroke | 1:04.50 | 61 | Did not advance | ||||