1966-67 Eastern Canada Memorial Cup Playoffs

Champions

 * Northern Ontario: Sault Ste Marie Greyhounds
 * Ontario: Toronto Marlboros
 * Ottawa: Cornwall Royals
 * Quebec: Thetford Mines Canadiens
 * Maritimes: Halifax Canadiens

Quarter finals
Best of 7


 * Cornwall 7 Sault Ste Marie 6
 * Sault Ste Marie 7 Cornwall 5
 * Sault Ste Marie 8 Cornwall 5
 * Cornwall 8 Sault Ste Marie 1
 * Sault Ste Marie 7 Cornwall 5
 * Cornwall 3 Sault Ste Marie 2
 * Cornwall 3 Sault Ste Marie 2

Cornwall Royals beat Sault Ste Marie Greyhounds 4 wins to 3.


 * Thetford Mines 5 Halifax 4
 * Thetford Mines 7 Halifax 3
 * Thetford Mines 6 Halifax 5
 * Halifax 7 Thetford Mines 5
 * Halifax 6 Thetford Mines 5
 * Thetford Mines 8 Halifax 1

Thetford Mines Canadiens beat Halifax Canadiens 4 wins to 2.

Semi final
Best of 7


 * Thetford Mines 5 Cornwall 4
 * Thetford Mines 7 Cornwall 5
 * Cornwall 6 Thetford Mines 4
 * Thetford Mines 5 Cornwall 2
 * Thetford Mines 8 Cornwall 7

Thetford Mines beat Cornwall Royals 4 wins to 1.

Final
Best of 5


 * Toronto 6 Thetford Mines 2
 * Thetford Mines 4 Toronto 3
 * Toronto 9 Thetford Mines 1
 * Toronto 5 Thetford Mines 2

Toronto Marlboros beat Thetford Mines Canadiens 3 wins to 1.

Toronto Marlboros advanced to the 1966-67 Memorial Cup Final.