- Northern Ontario: North Bay Trappers
- Ontario: Toronto Marlboros
- Ottawa: Ottawa Montagnards
- Quebec: Montreal NDG Monarchs
- Maritimes: Summerside Legion
Best of 7
|April 19||Toronto 13||North Bay 3||Toronto|
|April 20||Toronto 11||North Bay 4||Toronto|
|April 22||Toronto 7||North Bay 5||North Bay|
|April 24||Toronto 10||North Bay 4||North Bay|
- April 10 Ottawa 9 Summerside 1
- April 12 Montreal NDG 4 Ottawa 0
- April 13 Montreal NDG 15 Summerside 0
The Montreal NDG-Ottawa series was changed to best of 3, with Montreal NDG having won the first game (see above).
- April 18 Montreal NDG 11 Ottawa 3.
Best of 5
|April 26||Toronto 7||Montreal NDG 2||Montreal|
|April 28||Montreal NDG 6||Toronto 4||Montreal|
|April 29||Toronto 6||Montreal NDG 3||Toronto|
|May 1||Toronto 11||Montreal NDG 3||Toronto|
Note: This was the only playoff game Toronto would lose this season in 17 games played (they also tied against the Montreal Junior Canadiens).
The coach of the Monarchs was a very young Scotty Bowman.