| 1990–91 WHL season | |
| League: | Western Hockey League |
| Sport: | Ice hockey |
| Playoffs: | Playoffs |
| Finals Champ: | Spokane Chiefs (1) |
| Finals Runner-Up: | Lethbridge Hurricanes |
| No Of Teams: | 14 |
| Season: | Regular season |
| Season Champ Name: | Scotty Munro Memorial Trophy |
| Season Champs: | Kamloops Blazers (4) |
| Mvp Link: | Four Broncos Memorial Trophy |
| Mvp: | Ray Whitney (Spokane Chiefs) |
| Top Scorer Link: | Bob Clarke Trophy |
| Top Scorer: | Ray Whitney (Spokane Chiefs) |
| Seasonslistnames: | WHL |
| Prevseason Year: | 1989–90 |
| Nextseason Year: | 1991–92 |
| 1990–91 CHL season | |
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| League: | Canadian Hockey League |
| Sport: | Ice hockey |
| No Of Teams: | 42 |
| Season: | OHL |
| Season2: | QMJHL |
| Season3: | WHL |
| Playoffs: | Memorial Cup |
| Finals Champ: | Spokane Chiefs (WHL) |
| Num Championships: | 1 |
| Finals Runner-Up: | Drummondville Voltigeurs (QMJHL) |
The 1990–91 WHL season was the 25th season of the Western Hockey League (WHL), featuring fourteen teams and a 72-game regular season. The Kamloops Blazers won their second consecutive Scotty Munro Memorial Trophy for posting the league's best regular season record. In the playoffs, the Spokane Chiefs defeated the Lethbridge Hurricanes to win the club's first President's Cup title, before going on to win the 1991 Memorial Cup tournament, becoming the second American club to win the championship.
| East Division | GP | W | L | T | Pts | GF | GA |
|---|---|---|---|---|---|---|---|
| x Lethbridge Hurricanes | 72 | 45 | 21 | 6 | 96 | 373 | 281 |
| x Medicine Hat Tigers | 72 | 40 | 27 | 5 | 85 | 366 | 296 |
| x Swift Current Broncos | 72 | 40 | 29 | 3 | 83 | 369 | 351 |
| x Prince Albert Raiders | 72 | 38 | 29 | 5 | 81 | 337 | 284 |
| x Regina Pats | 72 | 37 | 32 | 3 | 77 | 346 | 307 |
| x Moose Jaw Warriors | 72 | 31 | 39 | 2 | 64 | 336 | 369 |
| Saskatoon Blades | 72 | 29 | 41 | 2 | 60 | 309 | 363 |
| Brandon Wheat Kings | 72 | 19 | 51 | 2 | 40 | 265 | 380 |
| West Division | GP | W | L | T | Pts | GF | GA |
|---|---|---|---|---|---|---|---|
| x Kamloops Blazers | 72 | 50 | 20 | 2 | 102 | 385 | 247 |
| x Spokane Chiefs | 72 | 48 | 23 | 1 | 97 | 435 | 275 |
| x Seattle Thunderbirds | 72 | 42 | 26 | 4 | 88 | 319 | 317 |
| x Tri-City Americans | 72 | 36 | 32 | 4 | 76 | 404 | 386 |
| Portland Winter Hawks | 72 | 17 | 53 | 2 | 36 | 298 | 450 |
| Victoria Cougars | 72 | 10 | 59 | 3 | 23 | 201 | 437 |
Note: GP = Games played; G = Goals; A = Assists; Pts = Points; PIM = Penalties in minutes
| Player | Team | GP | G | A | Pts | PIM |
|---|---|---|---|---|---|---|
| 72 | 67 | 118 | 185 | 36 | ||
| 69 | 40 | 122 | 162 | 19 | ||
| 71 | 58 | 81 | 139 | 147 | ||
| 61 | 64 | 74 | 138 | 154 | ||
| 66 | 61 | 75 | 136 | 154 | ||
| 66 | 60 | 76 | 136 | 31 | ||
| 70 | 64 | 68 | 132 | 237 | ||
| 63 | 89 | 40 | 129 | 146 | ||
| 72 | 46 | 74 | 120 | 58 | ||
| 69 | 54 | 64 | 118 | 68 | ||
On February 5, the East Division defeated the West Division 8–2 at Calgary, Alberta before a crowd of 7,473.
| Most Valuable Player - Four Broncos Memorial Trophy: Ray Whitney, Spokane Chiefs | |
| Scholastic Player of the Year - Daryl K. (Doc) Seaman Trophy: Scott Niedermayer, Kamloops Blazers | |
| Top Scorer - Bob Clarke Trophy: Ray Whitney, Spokane Chiefs | |
| Most Sportsmanlike Player - Brad Hornung Trophy: Pat Falloon, Spokane Chiefs | |
| Top Defenseman - Bill Hunter Trophy: Darryl Sydor, Kamloops Blazers | |
| Rookie of the Year - Jim Piggott Memorial Trophy: Donevan Hextall, Prince Albert Raiders | |
| Top Goaltender - Del Wilson Trophy: Jamie McLennan, Lethbridge Hurricanes | |
| Coach of the Year - Dunc McCallum Memorial Trophy: Tom Renney, Kamloops Blazers | |
| Executive of the Year - Lloyd Saunders Memorial Trophy: Bob Brown, Kamloops Blazers | |
| Regular season champions - Scotty Munro Memorial Trophy: Kamloops Blazers | |
| Marketing/Public Relations Award - St. Clair Group Trophy: Bill Lee, Seattle Thunderbirds | |
| WHL Plus-Minus Award Frank Evans, Spokane Chiefs |
| East Division | |||||
|---|---|---|---|---|---|
| First Team | Second Team | ||||
| Goal | Medicine Hat Tigers | ||||
| Defense | Medicine Hat Tigers | ||||
| Lethbridge Hurricanes | |||||
| Center | Prince Albert Raiders | ||||
| Left Wing | Medicine Hat Tigers | ||||
| Right Wing | Lethbridge Hurricanes | ||||
| West Division | |||||
| First Team | Second Team | ||||
| Goal | Spokane Chiefs | ||||
| Defense | Seattle Thunderbirds | ||||
| Spokane Chiefs | |||||
| Center | Cal McGowan (tied) | Seattle Thunderbirds | |||
| Ray Whitney (tied) | - | - | |||
| Left Wing | Kamloops Blazers | ||||
| Right Wing | Tri-City Americans | ||||