Iraq competed at the 2011 World Aquatics Championships in Shanghai, China between July 16 and 31, 2011.
Iraq qualified 2 swimmers.[1]
| Athlete | Event | Heats | Semifinals | Final | |||
|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | ||
| Iohanad Dheyaa | Men's 50m Butterfly | 27.51 | 42 | Did not advance | |||
| Men's 100m Butterfly | 1:01.10 | 59 | Did not advance | ||||
| Amer Ali | Men's 50m Butterfly | DSQ | Did not advance | ||||
| Men's 100m Butterfly | 1:01.88 | 61 | Did not advance | ||||