| Surname | First name | Contest | Medal |
| Chan | Chi Pan | ioi2000 | bronze |
| Chan | Hing Lun | ioi92 | silver |
| Chan | Wing Cheong | ioi95 | bronze |
| Ho | Tsz Hang | ioi99 | silver |
| Koo | Chiu-Yuen | ioi98 | bronze |
| Kwok | Chi leong | ioi95 | bronze |
| Poon | Wing Chi | ioi97 | gold |
| Tam | Kin Fai | ioi99 | bronze |
| Tam | Siu Lung | ioi2000 | bronze |
| Tse | Chi Yung | ioi99 | silver |
| Tse | Chi Yung | ioi2000 | silver |
| Wan | Yung Chun | ioi95 | silver |
| Wan | Yung Chun | ioi96 | bronze |
| Yau | Kai Fai | ioi93 | bronze |
| Yau | Kai Fai | ioi94 | bronze |