1991 Midwestern Collegiate Conference men's basketball tournament

1991 Midwestern Collegiate Conference men's basketball tournament
ClassificationDivision I
Season199091
Teams8
SiteUD Arena
Dayton, Ohio
ChampionsXavier (6th title)
Winning coachPete Gillen (5th title)
MVPJamie Gladden (Xavier)
1990–91 Midwestern Collegiate Conference men's basketball standings
Conf.Overall
TeamW L PCTW L PCT
Xavier113 .7862210  .688
Butler104 .7141811  .621
Saint Louis86 .5711914  .576
Dayton86 .5711415  .483
Evansville77 .5001414  .500
Marquette77 .5001118  .379
Loyola (IL)311 .2141019  .345
Detroit Mercy212 .143919  .321
1991 MCC tournament winner
Rankings from AP Poll

The 1991 Midwestern Collegiate Conference men's basketball tournament (now known as the Horizon League men's basketball tournament) was held March 7–9 at UD Arena in Dayton, Ohio.

Xavier defeated Saint Louis in the championship game, 81–65, to win their sixth MCC/Horizon League men's basketball tournament title.

The Musketeers received an automatic bid to the 1991 NCAA tournament as the #14 seed in the Midwest region.