2023–24 QMJHL season

The 2023–24 QMJHL season was the 55th season of the Quebec Maritimes Junior Hockey League. The league played a 68-game regular season which began on September 22, 2023, and ended on March 23, 2024.

The playoffs began on March 29, 2024 and ended on May 14, 2024. The Drummondville Voltigeurs won their second Gilles-Courteau Trophy, sweeping the Baie-Comeau Drakkar in the finals, and will play in the 2024 Memorial Cup which is set to be hosted by the Saginaw Spirit of the Ontario Hockey League at Dow Event Center in Saginaw, Michigan.

Regular season standings
As of March 23, 2024

Note: GP = Games played; W = Wins; L = Losses; OTL = Overtime losses; SL = Shootout losses; GF = Goals for; GA = Goals against; PTS = Points; x = clinched playoff berth; y = clinched division title; z = clinched Jean Rougeau Trophy

Scoring leaders
Note: GP = Games played; G = Goals; A = Assists; Pts = Points; PIM = Penalty minutes Source: TheQMJHL.ca

Leading goaltenders
Note: GP = Games played; Mins = Minutes played; W = Wins; L = Losses: OTL = Overtime losses; SL = Shootout losses; GA = Goals Allowed; SO = Shutouts; GAA = Goals against average Source: TheQMJHL.ca

2024 Gilles-Courteau Trophy playoffs
In the first two rounds seeding is determined by conference standings, and in the two final rounds seeding is determined by overall standings.

Playoff leading scorers
Note: GP = Games played; G = Goals; A = Assists; Pts = Points; PIM = Penalties minutes

Playoff leading goaltenders
Note: GP = Games played; Mins = Minutes played; W = Wins; L = Losses: OTL = Overtime losses; SL = Shootout losses; GA = Goals Allowed; SO = Shutouts; GAA = Goals against average

All-Star Teams
First All-Star Team:
 * William Rousseau, Goaltender, Rouyn-Noranda Huskies
 * Vsevolod Komarov, Defenceman, Drummondville Voltigeurs
 * Pier-Olivier Roy, Defenceman, Victoriaville Tigres
 * Mathieu Cataford, Halifax Mooseheads
 * Justin Gill, Forward, Baie-Comeau Drakkar
 * Antonin Verreault, Forward, Halifax Mooseheads

Second All-Star Team
 * Mathis Rousseau, Goaltender, Halifax Mooseheads
 * Maveric Lamoureux, Defenceman, Drummondville Voltigeurs
 * Jérémy Langlois, Defenceman, Rouyn-Noranda Huskies
 * Israël Mianscum, Forward, Sherbrooke Phoenix
 * Justin Poirier, Forward, Baie-Comeau Drakkar
 * Markus Vidicek, Forward, Halifax Mooseheads