1989–90 WHL season

The 1989–90 WHL season was the 24th season of the Western Hockey League (WHL). Fourteen teams completed a 72-game season. For the second time in franchise history, the Kamloops Blazers captured both the Scotty Munro Memorial Trophy and the President's Cup in the same season—they last accomplished the feat in the 1983–84 season.

Scoring leaders
Note: GP = Games played; G = Goals; A = Assists; Pts = Points; PIM = Penalties in minutes

First round

 * Swift Current defeated Brandon 5–4 OT in sixth place tie-breaker game.
 * Lethbridge and Prince Albert earn byes to Division Semifinals.
 * Regina defeated Swift Current 3 games to 1.
 * Saskatoon defeated Medicine Hat 3 games to 0.

Division Semifinals

 * Lethbridge defeated Saskatoon 4 games to 3.
 * Prince Albert defeated Regina 4 games to 3.
 * Kamloops defeated Spokane 5 games to 1.
 * Seattle defeated Tri-City 5 games to 2.

Division Finals

 * Lethbridge defeated Prince Albert 4 games to 3.
 * Kamloops defeated Seattle 5 games to 1.

WHL Championship

 * Kamloops defeated Lethbridge 4 games to 1.

All-Star game
On January 26, the East Division defeated the West Division 9–6 at Kennewick, Washington before a crowd of 5,059.

Trivia
During the 1989–90 WHL season, the Victoria Cougars set several records for futility within a 72-game WHL season. They recorded only 6 wins and 12 points. They also broke the record for most losses in a row at 37 (November 22, 1989 – February 11, 1990).