The summer of 1972 saw the departure of the Saint-Jérôme Alouettes and the Verdun Maple Leafs from the league, reducing the circuit to eight teams.
In an off-season lawsuit between the QMJHL and the OHA, the QMJHL gained a team, when the Montreal Junior Canadiens transferred leagues.
Michel Brière Memorial Trophy is first awarded to the league's most valuable player in honour of Michel Brière, who was killed in a car accident.
The Quebec Remparts finished first place in the regular season, and won the President's Cup, defeating the Cornwall Royals in the finals.
Note: GP = Games played; W = Wins; L = Losses; T = Ties; Pts = Points; GF = Goals for; GA = Goals against Note: GP = Games played; G = Goals; A = Assists; Pts = Points; PIM = Penalties in minutes Andre Savard was the leading scorer of the playoffs with 42 points (18 goals, 24 assists).