The 1989–90 Boise State Broncos men's basketball team represented Boise State University during the 1989–90 NCAA Division I men's basketball season. The Broncos were led by seventh-year head coach Bobby Dye and played their home games on campus at the BSU Pavilion in Boise, Idaho.
|1989–90 Boise State Broncos men's basketball|
|Conference||Big Sky Conference|
|Record||12–15 (7–9 Big Sky)|
|Assistant coach||Rod Jensen|
|Home arena||BSU Pavilion|
|1989–90 Big Sky men's basketball standings|
|† Conference tournament winner|
The conference tournament was at home in Boise, but the Broncos did not qualify for the six-team field. It remains the only time in the tourney's history that the host did not play; it moved to neutral sites beginning in 2016.
- Sports Reference – Boise State Broncos – 1989–90 basketball season