1965-66 Quebec Junior B Playoffs

Champions

 * Metropolitan Montreal Junior B League: Verdun Police
 * Quebec City Junior B Hockey League: Quebec Ouest
 * Rive Sud Junior League: Sorel
 * Sagueney-Lac St. Jean Junior League: Arvida
 * Eastern Townships Junior B League: Lac Megantic

Quarter Finals
2 games total goals


 * Lac Megantic 7 Arvida 1
 * Lac Megantic 7 Arvida 4

Lac Megantic beat Arvida 14 goals to 5.

Verdun Police won Sorel defaulted.

Semi Final

 * Lac Megantic 8 Verdun 6
 * Lac Megantic 5 Verdun 3

Lac Megantic beat Verdun Police 13 goals to 9.

Final
2 games total goals


 * Lac Megantic 7 Quebec Ouest 3
 * Lac Megantic 4 Quebec Ouest 4

Lac Megantic beat Quebec Ouest 11 goals to 7.