The 1999-2000 UMass Minutemen men's basketball team represented the University of Massachusetts. The Head Coach was James "Bruiser" Flint. The team played its home games primarily in the Mullins Center in Amherst, Massachusetts, and was a member of the Atlantic 10 Conference.

The season represented the 91st season of basketball in the school's history.

• Final Record: 17-16
• Conference Record: 9-7 (Third place)
• A-10 Tournament: 2-1 (Lost in Semi-Finals)
• Postseason: NIT First Round

Older content is still available here: https://umasshoops.com/games/1990s.htm#9-0%20Scoreboard