| Surname | First name | Contest | Medal |
| Antolovic | Bojan | ioi95 | bronze |
| Antolovic | Bojan | ioi96 | silver |
| Bujanovic | Zvonimir | ioi97 | bronze |
| Bujanovic | Zvonimir | ioi98 | bronze |
| Cosic | Kresimir | ioi98 | bronze |
| Djerek | Ante | ioi96 | silver |
| Fabris | Ognjen | ioi97 | bronze |
| Gospodnetic | Jurko | ioi96 | bronze |
| Kazalicki | Matija | ioi99 | bronze |
| Kralj | Martin | ioi94 | bronze |
| Lovric | Davor | ioi95 | silver |
| Majstrovic | Zoran | ioi98 | bronze |
| Matic | Aleksandar | ioi95 | bronze |
| Mesic | Milan | ioi98 | bronze |
| Pavacic | Boris | ioi94 | bronze |
| Stublic | Sasa | ioi93 | bronze |
| Stublic | Sasa | ioi94 | silver |
| Saric | Frane | ioi99 | silver |
| Saric | Frane | ioi2000 | silver |
| Tubin | Damir | ioi2000 | bronze |
| Zivic | Mario | ioi99 | bronze |
| Zivic | Mario | ioi2000 | bronze |