1950–51 was the fifth season of the Western International Hockey League.
Played interlocking with the Okanagan Mainline League.
Best of 5
Trail Smoke Eaters beat Spokane Flyers 3 wins to 1.
Note: Spokane Flyers were not eligible for the Allan Cup.
Best of 5
Kimberley Dynamiters beat Nelson Maple Leafs 3 wins to 1.
Best of 5
Trail Smoke Eaters beat Kimberley Dynamiters 3 wins to 2.
Trail Smoke Eaters advanced to the 1950-51 British Columbia Senior Playoffs.
\