The regular season began on September 21, 2017, and ended on March 18, 2018.
The playoffs started March 22, 2018, and ended on May 13.
The winning team, the Acadie–Bathurst Titan, were awarded the President's Cup and won the Memorial Cup as the QMJHL champion in the 2018 Memorial Cup, which was hosted by the Regina Pats of the WHL at the Brandt Centre in Regina, Saskatchewan from May 18–27, 2018.
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 Note: GP = Games played; G = Goals; A = Assists; Pts = Points; PIM = Penalty minutes 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
Note: GP = Games played; G = Goals; A = Assists; Pts = Points; PIM = Penalty minutes 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 Player Executive First All-Star Team:[1] Second All-Star Team: All-Rookie Team: