| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Seifiann Malac | 100 L Free | Prelims | 56.02 |
| 2 | Seifiann Malac | 50 L Free | Prelims | 25.06 |
| 3 | Rone Lam-Chan | 50 L Fly | Prelims | 27.61 |
| 4 | Rone Lam-Chan | 100 L Free | Prelims | 58.01 |
| 5 | Dilan Nunez Green | 50 L Free | Finals | 25.90 |
| 6 | Dilan Nunez Green | 50 L Free | Prelims | 25.95 |
| 7 | Lorris Canu | 50 L Breast | Prelims | 32.21 |
| 8 | Rone Lam-Chan | 50 L Free | Prelims | 26.17 |
| 9 | Lorris Canu | 100 L Breast | Prelims | 1:11.85 |
| 10 | Dilan Nunez Green | 400 L Free | Timed Finals | 4:37.02 |
| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | French Guyana | 200 L Free Relay | Finals | |
| 2 | French Guyana | 200 L Free Relay | Prelims | |
| 3 | French Guyana | 200 L Free Relay | Finals | |
| 4 | French Guyana | 400 L Free Relay | Prelims | |
| 5 | French Guyana | 400 L Free Relay | Finals | |
| 6 | French Guyana | 400 L Free Relay | Prelims | |
| 7 | French Guyana | 400 L Medley Relay | Prelims | |
| 8 | French Guyana | 400 L Medley Relay | Finals | |
| 9 | French Guyana | 200 L Free Relay | Prelims | |
| 10 | French Guyana | 400 L Medley Relay | Prelims | |
| Name | Gold | Silver | Bronze | Score | FINA | |
|---|---|---|---|---|---|---|
| 1 | Dilan Nunez Green | 2 | 4 | 5 | 59 | 469.9 |
| 2 | Alexandre Falette | 0 | 2 | 1 | 14 | 376.6 |
| 3 | Mustyan-Gio Marcin Augustin | 0 | 2 | 1 | 13 | 356.2 |
| 4 | Tanael Mande | 0 | 2 | 1 | – | 330.3 |
| 5 | Seifiann Malac | 0 | 0 | 0 | – | 483.6 |
