1997–98 I-Divisioona season

The 1997–98 I-Divisioona season was the 24th 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 promition/relegation round of the SM-liiga.

Relegation

 * Ahmat Hyvinkää - KooKoo 3:2 (5:2, 2:4, 3:4, 4:3, 3:0)
 * Koo-Vee - Jää-Kotkat Uusikaupunki 2:3 (2:4, 4:3, 1:0, 3:4 OT, 4:5 OT)