Rwanda competed at the 2011 World Aquatics Championships in Shanghai, China between July 16 and 31, 2011.
| Athlete | Event | Final | |
|---|---|---|---|
| Time | Position | ||
| Jackson Niyomugabo | Men's 5km | OTL | |
| Patrick Rukundo | Men's 5km | OTL | |
Rwanda qualified 4 swimmers.[2]
| Athlete | Event | Heats | Semifinals | Final | |||
|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | ||
| Jackson Niyomugabo | Men's 50m Freestyle | 27.73 | 91 | Did not advance | |||
| Patrick Rukundo | Men's 50m Freestyle | 28.08 | 93 | Did not advance | |||
| Athlete | Event | Heats | Semifinals | Final | |||
|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | ||
| Alphonsine Agahozo | Women's 50m Freestyle | 31.41 | 68 | Did not advance | |||
| Johanna Umurungi | Women's 50m Butterfly | 32.68 | 45 | Did not advance | |||