The 1989–90 Japan Ice Hockey League season was the 24th season of the Japan Ice Hockey League. Six teams participated in the league, and the Oji Seishi Hockey won the championship.
| Team | GP | W | L | T | GF | GA | Pts | ||
|---|---|---|---|---|---|---|---|---|---|
| 1. | 30 | 26 | 1 | 3 | 162 | 59 | 55 | ||
| 2. | 30 | 22 | 3 | 5 | 152 | 79 | 49 | ||
| 3. | 30 | 12 | 13 | 5 | 93 | 105 | 29 | ||
| 4. | 30 | 8 | 17 | 5 | 84 | 116 | 21 | ||
| 5. | 30 | 6 | 19 | 5 | 79 | 123 | 17 | ||
| 6. | 30 | 2 | 23 | 5 | 47 | 135 | 9 |