The 2009–10 Oregon State Beavers men's basketball team represented Oregon State University in the 2009-10 college basketball season. Their head coach was Craig Robinson who was in his 2nd year. The team played their home games at Gill Coliseum in Corvallis, Oregon and are members of the Pacific-10 Conference. They finished the season 14–18, 8–10 in Pac-10 play and lost in the quarterfinals of the 2010 Pacific-10 Conference men's basketball tournament. Despite a sub .500 record, the Beavers were invited to the 2010 College Basketball Invitational where they lost in the first round.

2009 recruiting class

Roster

Schedule

!colspan=9 style=| Exhibition !colspan=9 style=| Regular season !colspan=9 style=| <span style=>Pac-10 tournament !colspan=9 style=| <span style=>CBI

Highlights