| Games: | World Aquatics Championships |
| Nf: | MRI |
| Nfname: | Fédération Mauricienne de Natation |
| Year: | 2019 |
| Flagcaption: | Flag of Mauritius |
| Location: | Gwangju, South Korea |
| Competitors: | 4 |
| Sports: | 1 |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 0 |
| Appearances: | auto |
Mauritius competed at the 2019 World Aquatics Championships in Gwangju, South Korea from 12 to 28 July.
See main article: Swimming at the 2019 World Aquatics Championships.
Mauritius entered four swimmers.[1]
| Athlete | Event | Heat | Semifinal | Final | ||||
|---|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | |||
| Mathieu Marquet | 100 m butterfly | 1:00.03 | 70 | did not advance | ||||
| align=left rowspan=2 | Bradley Vincent | 50 m freestyle | 23.23 | 57 | did not advance | |||
| 50 m backstroke | 27.97 | 57 | did not advance | |||||
| Athlete | Event | Heat | Semifinal | Final | ||||
|---|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | |||
| align=left rowspan=2 | Camille Koenig | 50 m freestyle | 29.14 | 73 | did not advance | |||
| 200 m backstroke | 2:28.32 | 41 | did not advance | |||||
| align=left rowspan=2 | Elodie Poo-Cheong | 50 m breaststroke | 36.72 | 45 | did not advance | |||
| 50 m butterfly | 30.26 | 48 | did not advance | |||||