2000 Big West Conference men's basketball tournament

The 2000 Big West Conference men's basketball tournament was held March 9–11 at Lawlor Events Center in Reno, Nevada.

Utah State defeated in the championship game, 71–66, to obtain the second Big West Conference men's basketball tournament championship in school history.

The Aggies participated in the 2000 NCAA Division I men's basketball tournament after earning the conference's automatic bid.

Format
Eight of the 12 teams in the conference participated, with, , , and not qualifying. The top eight teams were seeded based on regular season conference records.