The 1983–84 QMJHL season was the 15th season in the history of the Quebec Major Junior Hockey League. Eleven teams played 70 games each in the regular season.
Mario Lemieux of the Laval Voisins scores 133 goals, and has 149 assists, setting the all-time Canadian Hockey League record of 282 points, and 133 goals in a regular season. His total of 149 assists ranks second only to Pierre Larouche's total of 157 from the 1973–74 QMJHL season. Lemieux also won four QMHL trophies at the season's end, as well as the CHL Player of the Year award.
The Laval Voisins repeated as first overall in the regular season, winning the Jean Rougeau Trophy, and won their first President's Cup, defeating the Longueuil Chevaliers in the finals.
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 statisticsMario Lemieux was the leading scorer of the playoffs with 52 points (29 goals, 23 assists).
QuarterfinalsLaval Voisins defeated Granby Bisons 4 games to 0.Verdun Juniors defeated Saint-Jean Castors 4 games to 0.Drummondville Voltigeurs defeated Shawinigan Cataractes 4 games to 2.Longueuil Chevaliers defeated Quebec Remparts 4 games to 1.SemifinalsLaval Voisins defeated Drummondville Voltigeurs 4 games to 0.Longueuil Chevaliers defeated Verdun Juniors 4 games to 2.FinalsLaval Voisins defeated Longueuil Chevaliers 4 games to 2.First teamGoaltender - Alain Raymond, Trois-Rivières DraveursLeft defence - Steven Finn, Laval VoisinsRight defence - Billy Campbell, Verdun JuniorsLeft winger - Claude Gosselin, Quebec RempartsCentreman - Mario Lemieux, Laval VoisinsRight winger - Jacques Goyette, Laval VoisinsCoach - Pierre Creamer, Verdun JuniorsSecond teamGoaltender - Luc Guenette, Quebec RempartsLeft defence - Jerome Carrier, Verdun JuniorsRight defence - Sylvain Cote, Quebec RempartsLeft winger - Yves Courteau, Laval VoisinsCentreman - Claude Lebebvre, Quebec RempartsRight winger - Claude Lemieux, Verdun JuniorsCoach - Jean Begin, Laval VoisinsList of First/Second/Rookie team all-stars
Trophies and awards
TeamPresident's Cup - Playoff Champions, Laval VoisinsJean Rougeau Trophy - Regular Season Champions, Laval VoisinsRobert Lebel Trophy - Team with best GAA, Shawinigan CataractesPlayerMichel Brière Memorial Trophy - Most Valuable Player, Mario Lemieux, Laval VoisinsJean Béliveau Trophy - Top Scorer, Mario Lemieux, Laval VoisinsGuy Lafleur Trophy - Playoff MVP, Mario Lemieux, Laval VoisinsJacques Plante Memorial Trophy - Best GAA, Tony Haladuick, Laval VoisinsEmile Bouchard Trophy - Defenceman of the Year, Billy Campbell, Verdun JuniorsMike Bossy Trophy - Best Pro Prospect, Mario Lemieux, Laval VoisinsMichel Bergeron Trophy - Offensive Rookie of the Year, Stephane Richer, Granby BisonsRaymond Lagacé Trophy - Defensive Rookie of the Year, James Gasseau, Drummondville VoltigeursFrank J. Selke Memorial Trophy - Most sportsmanlike player, Jerome Carrier, Verdun JuniorsMarcel Robert Trophy - Best Scholastic Player, Gilbert Paiement, Chicoutimi Saguenéens