1920-21 Eastern Canada Allan Cup Playoffs

Champions
Northern Ontario:		Sault Ste Marie Ontario (Senior):		University of Toronto Ontario (Intermediate):		Galt Ottawa:				Ottawa Gunners Quebec:				McGill University

Note: The Ottawa champion was determined too late for the Ottawa Gunners to participate in the playoffs.

Quarter Final
Sudden death


 * March 8 Sault Ste Marie Greyhounds 4 Galt 1 @ Toronto

Semi Final
2 games total goals

University of Toronto beat Sault Ste Marie Greyhounds 18 goals to 5.

Final
Sudden death


 * March 15 University of Toronto 11 McGill University 0 @ Toronto

University of Toronto advanced to the 1920-21 Allan Cup Final.