The 1986–87 WHL season was the 21st season of the Western Hockey League (WHL).
While the Kamloops Blazers won their second Scotty Munro Memorial Trophy as regular season champions, the Medicine Hat Tigers won the President's Cup as playoff champions before going on to win the 1987 Memorial Cup tournament.
The season saw the return of the Swift Current Broncos, with the Lethbridge Broncos relocating prior to the start of the season.
Note: GP = Games played; G = Goals; A = Assists; Pts = Points; PIM = Penalties in minutes On January 20, the East Division defeated the West Division 4–3 at Regina, Saskatchewan with a crowd of 3,652.