The 2009–10 San Jose State Spartans men's basketball team represented San Jose State University during the 2009–10 NCAA Division I men's basketball season.

The Spartans played their home games at The Event Center and competed in the Western Athletic Conference (WAC).

San Jose State finished the season 14–17, and 6–10 in WAC play and lost in the quarterfinals of the 2010 WAC men's basketball tournament to New Mexico State.

Sources: In the WAC preseason polls, released October 20 via media teleconference[1] San Jose State was selected to finish 8th in the coaches and media poll.

George Nessman (California) Brent Davis (San Diego State)Gary Stepan (California Lutheran)Donald Williams (Cal State Hayward) Roster Source[2] On December 21, Jr. Adrian Oliver was named the WAC player of the week for the sixth week of the season with weekly averages of 31.0 PPG, 8.0 RPG, 2.0 AST, 2.0 Steals, 1.0 Block and 52.6 FG%.