Entries for Optimist (Boys) Class
| Sail No | Boat | Name | Cty/Rgn | Club |
| THA 1878 | Win | Sarawin Kaminthong | THA | NAC 3 SC |
| 312 | King | Taraton Jitwang | THA | NAC 3 SC |
| THA 4 | Season | Yanathon Sae-lim | THA | NAC 3 SC |
| 313 | Imtiyaz | Imtiyaz Sittisan | THA | NAC 3 SC |
| 314 | Kuno | Sirawit Boonjitmongkol | THA | NAC 3 SC |
| THA 19350 | Orca | Ratpong Nitisahakul | THA | NAC 3 SC |
| 57 | Adill | Thatthan Choopak | THA | NAC 3 SC |
| 316 | Tii | Thanawit Glinsorn | THA | NAC 3 SC |
| 311 | Chaisong | Navatawan Jaemjit | THA | NAC 3 SC |
| 12R | Boss | Chanwud Phramlek | THA | SSC |
| 27R | Tuntun | Kunakorn Kaewluan | THA | SSC |
| AUS 1844 | Kram | Kram Chantarawinij | THA | ACDC |
| IIR | Aten | Siravich Boonjan | THA | SSC |
| THA 878 | Tammachat | Tammachat Sriopas | THA | ACDC |
| THA 5 | Jaodarn | Muhammadjaodarn Saha | THA | NAC 3 SC |
| THA 1873 | Tae | Nattapon Arinchum | THA | NAC 3 SC |