| Games: | World Aquatics Championships |
| Nf: | BDI |
| Nfname: | Fédération Burundaise de Natation |
| Year: | 2019 |
| Flagcaption: | Flag of Burundi |
| Location: | Gwangju, South Korea |
| Competitors: | 4 |
| Sports: | 1 |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 0 |
| Appearances: | auto |
Burundi 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.
Burundi has entered four swimmers.[1]
| Athlete | Event | Heat | Semifinal | Final | ||||
|---|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | |||
| align=left rowspan=2 | Belly-Crésus Ganira | 50 m freestyle | 25.33 | 99 | did not advance | |||
| 100 m butterfly | 1:03.34 | 76 | did not advance | |||||
| align=left rowspan=2 | Billy-Scott Irakoze | 100 m freestyle | 56.45 | 104 | did not advance | |||
| 50 m butterfly | 28.43 | 76 | did not advance | |||||
| Athlete | Event | Heat | Semifinal | Final | ||||
|---|---|---|---|---|---|---|---|---|
| Time | Rank | Time | Rank | Time | Rank | |||
| align=left rowspan=2 | Odrina Kaze | 50 m freestyle | 34.97 | 98 | did not advance | |||
| 50 m breaststroke | 49.77 | 56 | did not advance | |||||