1951–52 was the sixth season of the Western International Hockey League.
Played interlocking with Pacific Coast Senior League & Okanagan Senior League.
Best of 5
Trail Smoke Eaters beat Spokane Flyers 3 wins to 2.
Note: Spokane Flyers were not eligible for the Allan Cup.
Best of 5
Nelson Maple Leafs beat Kimberley Dynamiters 3 wins to 1.
Best of 5
Trail Smoke Eaters beat Nelson Maple Leafs 3 wins to 2.
Trail Smoke Eaters advanced to the 1951-52 British Columbia Senior Playoffs.