The 2002 Big Sky Conference men's basketball tournament was held March 7–9 at the Brick Breeden Fieldhouse at Montana State University in Bozeman, Montana.
[1] Fourth-seeded Montana upset second-seeded Eastern Washington in the championship game, 70–66, to win their fourth Big Sky men's basketball tournament title.
The Grizzlies, in turn, received an automatic bid to the 2002 NCAA tournament.
Cal State Northridge departed the Big Sky for the Big West prior to the 2001–02 season, decreasing total membership back to eight.
Only the top six teams from the regular season conference standings were invited to the tournament.