| Competition: | Finnish League Division 1 |
| Season: | 1990 |
| Winners: | PPT Pori |
| Promoted: | PPT Pori Jaro Pietarsaari |
| Relegated: | VanPa Vantaa Koparit Kuopio GrIFK Kauniainen |
| Prevseason: | 1989 |
| Nextseason: | 1991 |
League table for teams participating in Ykkönen, the second tier of the Finnish Soccer League system, in 1990.
Jaro Pietarsaari promoted, KPV Kokkola relegated.