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The 1981–82 WHL season was the 16th season of the Western Hockey League (WHL), featuring twelve teams completing a 72-game regular season. The Lethbridge Broncos won the Scotty Munro Memorial Trophy for posting the best record during the regular season. In the playoffs, the Portland Winter Hawks became the first American-based club to win the President's Cup championship when they defeated the Regina Pats in the championship series. This also made the Winter Hawks the first American team to compete for the Memorial Cup at the 1982 tournament.
The season was the first for the Kamloops Junior Oilers, after the New Westminster Bruins relocated to Kamloops prior to the season. The season also marked the end of the Spokane Flyers organization, as it ceased operations on December 2, 1981, after playing only 26 games. As such, although the season began with thirteen teams, only twelve completed the season.