1957-58 Quebec Junior Playoffs

Champions

 * Laurentienne League: Montreal Champetre
 * Metropolitan Montreal Junior League: St Laurent Jets
 * Saguenay Junior League: Port Alfred Nationale

Independent team
Quebec Valieres Aces

Quarter Final
2 games total goals

Port Alfred Nationale beat Quebec Valieres Aces 9 goals to 3.

Semi Final
2 games total goals

Port Alfred Nationale beat Montreal Champetre 10 goals to 6.

Final
Best of 5

St Laurent Jets beat Port Alfred Nationale 3 wins to none.

Note: The independent team Ottawa-Hull Canadiens represented the province in the 1957-58 Eastern Canada Memorial Cup Playoffs.