1956–57 MJHL season

League notes
The League admits the Winnipeg Rangers. This team is not to be confused with the Winnipeg Barons, who were formerly called the Winnipeg Rangers. Ray Brunel (St. Boniface) set a league record for most points (105) in a single season.

Playoffs
Semi-Final
 * Monarchs defeated Rangers 3-games-to-1

Turnbull Cup Championship
 * St. Boniface lost to Monarchs 4-games-to-2 with 1 game tied

Western Memorial Cup Semi-Final
 * Monarchs lost to Fort William Canadiens (TBJHL) 4-games-to-3 with 1 game tied