1956-57 Eastern Canada Memorial Cup Playoffs

Champions

 * Ontario: Guelph Biltmores
 * Ottawa: Ottawa Shamrocks
 * Independent: Ottawa Junior Canadiens

Quebec & the Maritimes considered that their teams were not strong enough for the Memorial Cup playoffs.

Semi Final
Best of 5


 * Series awarded to Ottawa-Hull

Ottawa Junior Canadiens beat Ottawa Shamrocks.

Final
Best of 7

Ottawa Junior Canadiens beat Guelph Biltmores 4 wins to 1, 1 tie.

Ottawa Junior Canadiens advanced to the 1956-57 Memorial Cup Final.