Entries for Optimist (U12) Class
| Sail No | Boat | Name | Cty/Rgn | Club |
| THA 2288 | | Patcharapan Okaloy | THA | JSST |
| THA848 | | Thippawan Khumpinit | THA | JSST |
| THA 946 | | Paranee Muangngam | THA | JSST |
| Cocacola 04 | | Thoranist Tubeium | THA | NAC3SC |
| 06 | | Thanadej Sooparnich | THA | NAC3SC |
| Cocacola 03 | | Oonruen Boontawee | THA | NACSC |
| Cococola 17 | | Phanphatsa Khumban | THA | NAC3SC |
| THA 66 | | Nattakan Somdee | THA | JSST |
| THA 41 | | Veerasak Aiewsae | THA | JSST |
| THA 798 | | Kirati Leicesterjames | THA | KPYS |
| Cocacola 18 | | Donnaya Hasap | THA | NAC3SC |
| THA 414 | | Kans Kachachuen | THA | PKKSC |
| THA 240 | | Auttapon Sailek | THA | PKKSC |
| THA113 | . | Sam Giolder | THA | PKKSC |
| THA 2704 | | Mirin Kensvewsuk | THA | PKKSC |
| THA 4803 | | Mathasit Yooyen | THA | PKKSC |
| THA 23 | | Korakot Sonngai | THA | PKKSC |
| THA 22 | | Surapa Muangngam | THA | JSST |