The 2023–24 Oregon State Beavers men's basketball team represented Oregon State University in the 2023–24 NCAA Division I men's basketball season.

The Beavers were led by tenth-year head coach Wayne Tinkle, and played their home games at Gill Coliseum in Corvallis, Oregon, as members of the Pac-12 Conference; it was their final season in the Pac-12 before they join the West Coast Conference as an affiliate member for the next two years.

The Beavers finished the 2022–23 season 11–21, 5–15 in Pac-12 play to finish in eleventh place.

They lost to Arizona State in the first round of the Pac-12 tournament.

Sources: Roster Source:[1]