The 2009–10 SIJHL season is the 9th season of the Superior International Junior Hockey League (SIJHL). The six teams of the SIJHL will play 52-game schedules, except for Wisconsin who will play a 20-game schedule.
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 conference title
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