The 2022–23 St. Bonaventure Bonnies men's basketball team represented St. Bonaventure University during the 2022–23 NCAA Division I men's basketball season.

The Bonnies, led by 16th-year head coach Mark Schmidt, played their home games at the Reilly Center in Olean, New York as members of the Atlantic 10 Conference.

They lost in the quarterfinals of the A-10 tournament to Saint Louis.

They received an at-large bid to the National Invitation Tournament where they defeated Colorado, Oklahoma, and Virginia to advance to the semifinals.

24 in the preseason AP poll, the first time they had ever been ranked in the preseason AP poll.