1950–51 MJHL season

The 1950–51 Manitoba Junior Hockey League season saw the Winnipeg Monarchs win the league championship.

Playoffs
Semi-Final
 * Monarchs defeated Black Hawks 4-games-to-none

Turnbull Cup Championship
 * Brandon lost to Monarchs 4-games-to-2

Western Memorial Cup Semi-Final
 * Monarchs defeated Port Arthur Bruins (TBJHL) 4-games-to-3

Western Memorial Cup Final (Abbott Cup)
 * Monarchs defeated Regina Pats (WCJHL) 4-games-to-3 with 1 game tied

Memorial Cup Championship
 * Monarchs lost to Barrie Flyers (OHA) 4-games-to-none