Seychelles at the 2019 World Aquatics Championships
Seychelles competed at the 2019 World Aquatics Championships in Gwangju, South Korea from 12 to 28 July.
Open water swimming
Seychelles qualified four male and one female open water swimmers.;Men
;Women
| Athlete | Event | Time | Rank |
| Sofie Frichot | Women's 10 km | 2:18:07.7 | 60 |
Swimming
Seychelles entered four swimmers.;Men
;Women
;Mixed