1964-65 Eastern Canada Memorial Cup Playoffs

Champions

 * Northern Ontario: Garson-Falconbridge Native Sons
 * Ontario: Niagara Falls Flyers
 * Ottawa: Smiths Falls Bears
 * Quebec: Lachine Maroons
 * Maritimes: Sydney Cape Breton Post Bombers

Semi finals
Best of 7


 * Niagara Falls 18 Garson-Falconbridge 3
 * Niagara Falls 6 Garson-Falconbridge 0
 * Niagara Falls 6 Garson-Falconbridge 2
 * Niagara Falls 13 Garson-Falconbridge 0

Niagara Falls Flyers beat Garson-Falconbridge Native Sons 4 wins to none.

Round Robin

@ Sydney, Nova Scotia


 * Smiths Falls 3 Sydney 1
 * Lachine 5 Smiths Falls 2
 * Lachine 8 Sydney 1
 * Smiths Falls 2 Lachine 1
 * Smiths Falls 5 Sydney 3
 * Lachine 11 Sydney 2

Sudden death playoff


 * Lachine Maroons 5 Smiths Falls Bears 3

Final
Best of 5


 * Lachine 3 Niagara Falls 2
 * Niagara Falls 2 Lachine 1
 * Niagara Falls 4 Lachine 1
 * Niagara Falls 6 Lachine 1

Niagara Falls Flyers beat Lachine Maroons 3 wins to 1.

Niagara Falls Flyers advanced to the 1964-65 Memorial Cup Final.