| Surname | First name | Contest | Medal |
| Ahn | Byung Gyu | ioi98 | gold |
| An | Hyung Chan | ioi96 | bronze |
| An | Hyung Chan | ioi97 | bronze |
| Choi | Young Ho | ioi93 | bronze |
| Choi | Young Min | ioi93 | bronze |
| Choi | Young Min | ioi95 | bronze |
| Choi | Young Min | ioi96 | bronze |
| Ha | Jae Seung | ioi2000 | bronze |
| Han | Jae Kap | ioi97 | bronze |
| Huh | Seung Il | ioi93 | silver |
| Huh | Seung Il | ioi94 | gold |
| Huh | Seung Il | ioi95 | bronze |
| Kim | Bom Jun | ioi92 | gold |
| Kim | Ji Won | ioi2000 | gold |
| Kim | Jin Ho | ioi2000 | bronze |
| Kim | Kang Hoe | ioi92 | silver |
| Kong | Jun Wook | ioi99 | silver |
| Lee | Jong Hyun | ioi92 | silver |
| Lee | Kun Ho | ioi93 | gold |
| Lee | Kun Ho | ioi94 | silver |
| Lim | Jung Gun | ioi98 | silver |
| Lim | Jung Gun | ioi99 | gold |
| Lim | Kyung Young | ioi99 | bronze |
| Lim | Tae Hyung | ioi2000 | silver |
| Park | Jin Suk | ioi92 | bronze |
| Park | Se Hee | ioi94 | bronze |
| Park | Se Hee | ioi95 | silver |
| Park | Se Hyuk | ioi96 | silver |
| Park | Se Hyuk | ioi98 | gold |
| Song | Kee Moon | ioi99 | gold |
| Yoo | Won Seok | ioi96 | gold |
| Yoo | Won Seok | ioi97 | bronze |
| Yoo | Won Seok | ioi98 | silver |