The 1978–79 QMJHL season was the tenth season in the history of the Quebec Major Junior Hockey League. The QMJHL unveils a new logo for its tenth anniversary, using the letters of league's French acronym shaped as an ice skate. Ten teams played 72 games each in the schedule. The Trois-Rivières Draveurs finished first overall in the regular season winning their second consecutive Jean Rougeau Trophy, and defended their President's Cup title defeating the Sherbrooke Castors 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
J. F. Sauve was the leading scorer of the playoffs with 38 points (19 goals, 19 assists).