The 2022–23 Maritime Junior Hockey League season was the 55th season in the league's history.
Teams each played a 52-game schedule, consisting of 26 home and 26 away games.
The Yarmouth Mariners won their 3rd league title, defeating the Edmundston Blizzard in 4 games.
Note: GP = Games played; W = Wins; L = Losses; OTL = Overtime losses; SL = Shootout losses; PTS = Points; PCT.
= Points percentage; x = Clinched playoff spot y = Clinched division; z = Clinched first overall Standings decided by points.