The 1989–90 IHL season was the 45th season of the International Hockey League, a North American minor professional league. Nine teams participated in the regular season, and the Indianapolis Ice won the Turner Cup.
| East Division | GP | W | L | T | OTL | GF | GA | Pts | |
|---|---|---|---|---|---|---|---|---|---|
| 82 | 55 | 21 | 0 | 6 | 389 | 304 | 116 | ||
| 82 | 53 | 23 | 0 | 6 | 389 | 311 | 112 | ||
| 82 | 40 | 36 | 0 | 6 | 326 | 358 | 86 | ||
| 82 | 37 | 34 | 0 | 11 | 316 | 345 | 85 |
| West Division | GP | W | L | T | OTL | GF | GA | Pts | |
|---|---|---|---|---|---|---|---|---|---|
| 82 | 53 | 21 | 0 | 8 | 315 | 237 | 114 | ||
| 82 | 37 | 36 | 0 | 9 | 326 | 311 | 83 | ||
| 82 | 36 | 39 | 0 | 7 | 316 | 370 | 79 | ||
| 82 | 31 | 38 | 0 | 13 | 317 | 378 | 75 | ||
| 82 | 27 | 44 | 0 | 11 | 314 | 394 | 65 |