The 2019–20 San Jose State Spartans men's basketball team represented San Jose State University in the 2019–20 NCAA Division I men's basketball season.

Led by third-year head coach Jean Prioleau, they played their home games at the newly-renamed Provident Credit Union Event Center in San Jose, California as members of the Mountain West Conference.

They finished the season 7–24, 3–15 in Mountain West play to finish in tenth place.

They lost in the first round of the Mountain West tournament to New Mexico.

They lost in the first round of the Mountain West tournament to Air Force.