1951–52 was the sixth season of the Western International Hockey League.
Best of 5 Trail Smoke Eaters beat Spokane Flyers 3 wins to 2.
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.