| Name | Event | Round | Place | Time | FINA | |
|---|---|---|---|---|---|---|
| 1 | Ratthawit THAMMANANTHACHOTE | 800 S Free | Timed Finals | 17th | 7:55.24 | 812 |
| 2 | Navaphat WONGCHAROEN | 200 S Fly | Prelims | 20th | 1:56.37 | 805 |
| 3 | Navaphat WONGCHAROEN | 100 S Fly | Prelims | 32nd | 52.19 | 767 |
| 4 | Dulyawat KAEWSRIYONG | 200 S IM | Prelims | 31st | 1:59.85 | 765 |
| 5 | Dulyawat KAEWSRIYONG | 100 S IM | Prelims | 31st | 54.81 | 727 |
| 6 | Ratthawit THAMMANANTHACHOTE | 200 S Back | Prelims | 24th | 2:00.85 | 668 |
| Name | Event | Round | Place | Time | FINA |
No relays to show |
|---|---|---|---|---|---|---|
| Name | Gold | Silver | Bronze | Score | FINA | |
|---|---|---|---|---|---|---|
| 1 | Navaphat WONGCHAROEN | 0 | 0 | 0 | – | 786.0 |
| 2 | Dulyawat KAEWSRIYONG | 0 | 0 | 0 | – | 746.0 |
| 3 | Ratthawit THAMMANANTHACHOTE | 0 | 0 | 0 | – | 740.0 |