The 2021–22 Boise State Broncos men's basketball team represented Boise State University in the Mountain West Conference during the 2021–22 NCAA Division I men's basketball season.

Led by twelfth-year head coach Leon Rice, the Broncos played their home games on campus at ExtraMile Arena in Boise, Idaho.

They finished the regular season at 24–7 (15–3 in Mountain West, first).

The top seed in the conference tournament, Boise State defeated Nevada, Wyoming, and San Diego State to win the title and the automatic bid to the NCAA tournament.

The Broncos traveled to Texas and defeated SMU in the first round,[3][4] but fell to eventual champion Memphis in the quarterfinals to finish the season at 19–9 overall.