1986-87 Western Canada Allan Cup Playoffs

These determined the Western Canadian representative in the 1987 Allan Cup Final.

Champions

 * British Columbia: Nelson Maple Leafs
 * Manitoba: St. James Flames
 * Saskatchewan: Moose Jaw Generals

Semi-Final
Best of 5
 * Moose Jaw 4 St. James 2
 * Moose Jaw 6 St. James 5
 * St. James 5 Moose Jaw 2
 * St. James 7 Moose Jaw 5
 * Moose Jaw 2 St. James 1

Moose Jaw Generals beat St. James Flames 3 wins to 2.

Final (Patton Cup)
Best of 7
 * Moose Jaw 8 Nelson 7
 * Nelson Moose Jaw
 * Nelson 4 Moose Jaw 1
 * Nelson 7 Moose Jaw 3
 * Nelson 4 Moose Jaw 3

Nelson Maple Leafs beat Moose Jaw Generals 4 wins to 1.

Nelson Maple Leafs advanced to the 1987 Allan Cup Final.