1991 Big Sky Conference men's basketball tournament

1991 Big Sky Conference men's basketball tournament
ClassificationDivision I
Season199091
Teams6
SiteDahlberg Arena
Missoula, Montana
ChampionsMontana (1st title)
Winning coachStew Morrill (1st title)
MVPKevin Kearney (Montana)
1990–91 Big Sky men's basketball standings
Conf.Overall
TeamW L PCTW L PCT
Montana133 .813238  .742
Nevada124 .7501714  .548
Idaho115 .6881911  .633
Boise State106 .6251710  .630
Idaho State79 .4381118  .379
Weber State79 .4381216  .429
Montana State610 .3751216  .429
Eastern Washington511 .3131116  .407
Northern Arizona115 .063423  .148
Conference tournament winner

The 1991 Big Sky Conference men's basketball tournament was the sixteenth edition, held March 6–9 at Dahlberg Arena at the University of Montana in Missoula, Montana.

Top-seeded host Montana defeated two-time defending champion Idaho in the championship game, 76–68, to win their first Big Sky tournament title.