The 2017–18 Oregon State Beavers men's basketball team represented Oregon State University in the 2017–18 NCAA Division I men's basketball season.

The Beavers were led by fourth-year head coach Wayne Tinkle, and played their home games at Gill Coliseum in Corvallis, Oregon as members of the Pac-12 Conference.

They defeated Washington in the first round of the Pac-12 tournament before losing in the quarterfinals to USC.

They lost to California in the first round of the Pac-12 Tournament.

Sources: Roster Last update: July 22, 2017