1984-85 Western Canada Allan Cup Playoffs

These determined the Western Canadian representative in the 1985 Allan Cup Final.

Champions

 * British Columbia: Spokane Chiefs
 * Manitoba: Thunder Bay Twins

Final (Patton Cup)
Best of 7
 * Spokane 5 Thunder Bay 2
 * Spokane 4 Thunder Bay 3
 * Thunder Bay 6 Spokane 2
 * Spokane 5 Thunder Bay 4
 * Thunder Bay 5 Spokane 1
 * Thunder Bay 4 Spokane 3
 * Thunder Bay 5 Spokane 4

Thunder Bay Twins beat Spokane Chiefs 4 wins to 3.

Thunder Bay Twins advanced to the 1985 Allan Cup Final.