The 1977–78 QMJHL season was the ninth season in the history of the Quebec Major Junior Hockey League. The league inaugurates two awards, the Robert Lebel Trophy for the team with best goals against average, and the Guy Lafleur Trophy for the Most Valuable Player of the playoffs. Ten teams played 72 games each in the schedule. The Trois-Rivières Draveurs finished first overall in the regular season winning the Jean Rougeau Trophy, and won the President's Cup defeating the Montreal Juniors in the finals.
The Sorel Éperviers relocate to Verdun, Quebec, and switch to the Lebel Division.
The Sherbrooke Castors switch to the Dilio Division.
Final standings
Note: GP = Games played; W = Wins; L = Losses; T = Ties; PTS = Points; GF = Goals For; GA = Goals Against
complete list of standings.
Note: GP = Games played; G = Goals; A = Assists; Pts = Points; PIM = Penalties in minutes
complete scoring statistics
Richard David was the leading scorer of the playoffs with 33 points (17 goals, 16 assists).
Quarterfinals
Trois-Rivières Draveurs defeated Quebec Remparts 4 games to 0.
Cornwall Royals defeated Hull Olympiques 4 games to 0.
Montreal Juniors defeated Verdun Éperviers 4 games to 0.
Sherbrooke Castors defeated Laval National 4 games to 0, 1 tie.
Semifinals
Trois-Rivières Draveurs defeated Sherbrooke Castors 4 games to 1.
Montreal Juniors defeated Cornwall Royals 4 games to 1.
Finals
Trois-Rivières Draveurs defeated Montreal Juniors 4 games to 0.
First team
Goaltender - Jacques Cloutier, Trois-Rivières Draveurs
Left defence - Mark Hardy, Montreal Juniors
Right defence - Ray Bourque, Verdun Éperviers
Left winger - Patrick Daley, Laval National
Centreman - Kevin Reeves, Montreal Juniors
Right winger - Ron Carter, Sherbrooke Castors
Coach - Michel Bergeron, Trois-Rivières Draveurs
Second team
Goaltender - Marco Baron, Montreal Juniors
Left defence - Kevin Lowe, Quebec Remparts
Right defence - Graeme Nicolson, Cornwall Royals
Left winger - Michel Goulet, Quebec Remparts
Centreman - Glen Currie, Laval National
Right winger - Daniel Metivier, Hull Olympiques
Coach - Orval Tessier, Cornwall Royals
List of First/Second/Rookie team all-stars.
Trophies and awards
Team
President's Cup - Playoff Champions, Trois-Rivières Draveurs
Jean Rougeau Trophy - Regular Season Champions, Trois-Rivières Draveurs
Robert Lebel Trophy - Team with best GAA, Trois-Rivières Draveurs
Player
Michel Brière Memorial Trophy - Most Valuable Player, Kevin Reeves, Montreal Juniors
Jean Béliveau Trophy - Top Scorer, Ron Carter, Sherbrooke Castors
Guy Lafleur Trophy - Playoff MVP, Richard David, Trois-Rivières Draveurs
Jacques Plante Memorial Trophy - Best GAA, Tim Bernhardt, Cornwall Royals
Emile Bouchard Trophy - Defenceman of the Year, Mark Hardy, Montreal Juniors
Michel Bergeron Trophy - Rookie of the Year, Denis Savard, Montreal Juniors and Normand Rochefort, Trois-Rivières Draveurs
Frank J. Selke Memorial Trophy - Most sportsmanlike player, Kevin Reeves, Montreal Juniors
