The 1987 Allan Cup was the Canadian senior ice hockey championship for the 1986–87 senior "AAA" season. The event was hosted by the Brantford Motts Clamatos in Brantford, Ontario. The 1987 playoff marked the 79th time that the Allan Cup has been awarded.
Brantford Motts Clamatos 10 - Nelson Maple Leafs 5
Brantford Motts Clamatos 5 - Nelson Maple Leafs 1
Brantford Motts Clamatos 6 - Nelson Maple Leafs 3
Brantford Motts Clamatos 7 - Nelson Maple Leafs 6 (OT)