1986-87 Eastern Canada Allan Cup Playoffs

These playoffs determined the Eastern Canadian representative in the 1987 Allan Cup final.

Champions

 * Ontario: Brantford Motts Clamatos
 * Newfoundland and Labrador: St. John's Capitals
 * Prince Edward Island: Charlottetown Islanders

Semi-Final
Best of 5
 * St. John's 9 Charlottetown 1
 * Charlottetown 4 St. John's 3
 * St. John's 7 Charlottetown 0
 * St. John's 3 Charlottetown 2

St. John's Capitals beat Charlottetown Islanders 3 wins to 1.

Final
Best of 7


 * St. John's 6 Brantford 4
 * Brantford 7 St. John's 4
 * St. John's 5 Brantford 3
 * Brantford 8 St. John's 4
 * Brantford 4 St. John's 2
 * Brantford 3 St. John's 2 (OT)

Brantford Motts Clamatos beat St. John's Capitals 4 wins to 2.

Brantford Motts Clamatos advanced to the 1987 Allan Cup Final.