| Surname | First name | Contest | Medal |
| Chai | Kian Ming | ioi93 | silver |
| Chai | Kian Ming | ioi94 | bronze |
| Chan | Chee Jin Steven | ioi97 | bronze |
| Chan | Sin Huan | ioi98 | bronze |
| Chia | Tee Kiah | ioi95 | bronze |
| Goh | Hock Meng | ioi94 | bronze |
| Kang | Chun Siong | ioi95 | bronze |
| Kang | Chun Siong | ioi96 | gold |
| Koh | Beng Liang | ioi93 | silver |
| Koh | Beng Liang | ioi94 | silver |
| Leok | Melvin | ioi92 | bronze |
| Lim | Chen Hao Kelvin | ioi99 | silver |
| Lim | Hong Ping | ioi97 | bronze |
| Lim | Hong Ping | ioi99 | silver |
| Loh | Shan Ming | ioi95 | silver |
| Moh | Heng Ping Nabil Christopher | ioi2000 | bronze |
| Ong | Hong Yang | ioi93 | bronze |
| Tan | Chun Kiat | ioi98 | bronze |
| Tay | Kah Keng | ioi99 | silver |
| Tay | Kah Keng | ioi2000 | silver |
| Tay | Kah Seng | ioi2000 | silver |
| Teng | Junbin | ioi97 | bronze |
| Wong | Li Jie | ioi96 | bronze |
| Wong | Li Jie | ioi97 | silver |