Antigua and Barbuda at the 2011 World Aquatics Championships
# Antigua and Barbuda at the 2011 World Aquatics Championships

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

## Swimming

Antigua and Barbuda qualified 3 swimmers.

### Men

| Athlete | Event | Heats | Heats | Semifinals | Semifinals | Final | Final |
| - | - | - | - | - | - | - | - |
| Athlete | Event | Time | Rank | Time | Rank | Time | Rank |
| Jeffrey Orel | 50 m freestyle | 28.57 | 97 | did not advance | did not advance | did not advance | did not advance |
| Kyle Zreibe | 100 m freestyle | 1:07.35 | 102 | did not advance | did not advance | did not advance | did not advance |
| Kyle Zreibe | 50 m butterfly | 36.25 | 54 | did not advance | did not advance | did not advance | did not advance |

### Women

| Athlete | Event | Heats | Heats | Semifinals | Semifinals | Final | Final |
| - | - | - | - | - | - | - | - |
| Athlete | Event | Time | Rank | Time | Rank | Time | Rank |
| Karin O'Reilly Clashing | 50 m freestyle | 31.41 | 68 | did not advance | did not advance | did not advance | did not advance |
| Karin O'Reilly Clashing | 50 m butterfly | 36.87 | 49 | did not advance | did not advance | did not advance | did not advance |
