The 1990–91 IHL season was the 46th season of the International Hockey League, a North American minor professional league. The season started with 11 team, falling to 10 when Albany Choppers folded in February 1991. The Peoria Rivermen won the Turner Cup.
| East Division | GP | W | L | T | OTL | GF | GA | Pts | |
|---|---|---|---|---|---|---|---|---|---|
| 82 | 52 | 29 | 0 | 1 | 354 | 302 | 105 | ||
| 82 | 48 | 29 | 0 | 5 | 342 | 264 | 101 | ||
| 83 | 43 | 35 | 0 | 5 | 369 | 335 | 91 | ||
| 83 | 38 | 40 | 0 | 5 | 305 | 352 | 81 | ||
| 55 | 22 | 30 | 0 | 3 | 191 | 232 | 47 |
| West Division | GP | W | L | T | OTL | GF | GA | Pts | |
|---|---|---|---|---|---|---|---|---|---|
| 82 | 58 | 19 | 0 | 5 | 405 | 261 | 121 | ||
| 83 | 50 | 28 | 0 | 5 | 353 | 296 | 105 | ||
| 83 | 38 | 36 | 0 | 9 | 326 | 343 | 85 | ||
| 82 | 36 | 43 | 0 | 3 | 275 | 316 | 75 | ||
| 83 | 30 | 45 | 0 | 8 | 273 | 362 | 68 | ||
| 82 | 25 | 53 | 0 | 4 | 255 | 385 | 65 |