Entries for Optimist (Girls)
| Bow No | Sail No | Boat | Name | Cty/Rgn | Club |
| 1 | THA 729 | Array | NANNAPAT POOLTHONG | THA | |
| 6 | THA 144 | Array | THORFUN BOONNAK | THA | |
| 8 | THA 993 | Array | JINATTA RIEGBAMRUNG | THA | |
| 11 | THA 529 | Array | RADA JARIYANUPATTANAKUL | THA | |
| 12 | THA 639 | Array | NATTAKAN SOMDEE | THA | |
| 13 | THA 439 | | PUTTARAKSA AIMRAKSA | THA | |
| 20 | THA 53 | | DONAYA HASAP | SIN | |
| 25 | THA 496 | Array | PARANEE MAUNGNGAM | THA | |
| 32 | THA 817 | Array | SUPAKAN KERDSAKUL | THA | |
| 33 | THA 628 | | MARION GRACE MONTGOMERY | THA | |
| 37 | THA 81 | | CHAYANIT THAMMAWAT | THA | |
| 43 | THA 644 | Array | PRIN SUBYING | THA | |
| 53 | THA 11 | | CHAYADA HASAP | THA | |
| 58 | THA 818 | Array | PRAPASSORN KAEWPROM | THA | |
| 65 | THA 815 | Array | PAILIN JAROENPON | THA | |
| 67 | THA 18 | Array | SURAPA MAUNGNGAM | THA | |
| 82 | CHN 7999 | | ZHAO ZIAN | CHN | |
| 84 | THA 191 | | MIRIN KEWSUWANSUK | THA | |
| 92 | THA 9 | | SUJRA TAOJ | THA | |
| 94 | THA 99 | | THANAPORN SAIKAEW | ALG | |
| 96 | THA 974 | | KANYARAT WASIN | THA | |
| 97 | THA 977 | | KOLARAT BUDASANHOME | THA | |