1998–99 I-Divisioona season
# 1998–99 I-Divisioona season

The 1998–99 I-Divisioona season was the 25th season of the I-Divisioona, the second level of Finnish ice hockey. 12 teams participated in the league, and Kärpät Oulu won the championship. The top six teams from the regular season qualified for the promotion/relegation round of the SM-liiga.

## Regular season

| | Club | GP | W | T | L | GF–GA | Pts |
| - | - | - | - | - | - | - | - |
| 1. | Kärpät Oulu | 48 | 41 | 4 | 3 | 265:91 | 86 |
| 2. | Pelicans Lahti | 48 | 30 | 7 | 11 | 178:109 | 67 |
| 3. | Vaasan Sport | 48 | 30 | 4 | 14 | 153:119 | 64 |
| 4. | Diskos Jyväskylä | 48 | 25 | 5 | 18 | 167:154 | 55 |
| 5. | Hermes Kokkola | 48 | 21 | 10 | 17 | 163:148 | 52 |
| 6. | JoKP Joensuu | 48 | 17 | 7 | 24 | 128:161 | 41 |
| 7. | TuTo Hockey | 48 | 17 | 5 | 26 | 158:182 | 39 |
| 8. | FPS Forssa | 48 | 17 | 5 | 26 | 157:187 | 39 |
| 9. | SaPKo Savonlinna | 48 | 17 | 4 | 27 | 131:165 | 38 |
| 10. | Haukat JärvenpääKarhut | 48 | 15 | 5 | 28 | 120:185 | 35 |
| 11. | Jää-Kotkat Uusikaupunki | 48 | 13 | 4 | 31 | 139:198 | 30 |
| 12. | Ahmat Hyvinkää | 48 | 11 | 8 | 29 | 112:172 | 30 |
