1945-46 Eastern Canada Memorial Cup Playoffs

Champions

 * Northern Ontario: Copper Cliff Redmen
 * Ontario: St Michaels College Majors
 * Ottawa: Ottawa St Patricks
 * Quebec: Montreal Junior Canadiens
 * Maritimes: Halifax St Marys

Quarter Final
Best of 3

Ottawa St Patricks beat Halifax St Marys 2 wins to none.

Semi Finals
Best of 3

Montreal Junior Canadiens beat Ottawa St Patricks 2 wins to none.

St Michaels College Majors beat Copper Cliff Redmen 2 wins to none.

Final
Best of 5

St Michaels College Majors beat Montreal Junior Canadiens 3 wins to none.

St Michaels College Majors advanced to the 1945-46 Memorial Cup Final.