1930-31 Quebec Junior Playoffs

League Champions

 * Eastern Townships Junior League: Sherbrooke Maroons
 * Junior Amateur Hockey Association: Montreal AAA
 * Lakeshore Junior League: Valois
 * Montreal East End Junior League: Montreal St Aloysius
 * Quebec City Junior League: Quebec Maple Leafs

Quarter Final
Sudden death


 * March 1 Montreal St Aloysius 2 Valois 1 @ Montreal

Semi Finals
Sudden death


 * March 2 Sherbrooke Maroons 6 Montreal St Aloysius 2 @ Sherbrooke
 * March 3 Montreal AAA 5 Quebec Maple Leafs 0 @ Quebec City

Final
Sudden death


 * March 7 Montreal AAA 4 Sherbrooke Maroons 1 @ Sherbrooke

Montreal AAA advanced to the 1930-31 Eastern Canada Memorial Cup Playoffs.