| Year: | 2023–24 |
| Team: | Oregon State Beavers |
| Sport: | basketball |
| Conference: | Pac-12 Conference |
| Short Conf: | Pac-12 |
| Record: | 13–19 |
| Conf Record: | 5–15 |
| Head Coach: | Wayne Tinkle |
| Hc Year: | 10th |
| Assoc Coach: | Eric Reveno |
| Ahc Year: | 2nd |
| Asst Coach1: | Marlon Stewart |
| Ac1 Year: | 5th |
| Asst Coach2: | Stephen Thompson |
| Ac2 Year: | 9th |
| Arena: | Gill Coliseum |
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.
| Name | Num | Pos. ! | Height | Weight | Year | Hometown | Reason for departure | |
|---|---|---|---|---|---|---|---|---|
| Nick Krass | 2 | G | 6'4" | 190 | Freshman | Transferred to Mississippi Gulf Coast CC | ||
| Dzimtry Ryuny | 11 | F | 6'9" | 205 | Senior | Graduated | ||
| Rodrigue Andela | 34 | F | 6'8" | 250 | RS Senior | Graduated | ||
| Glenn Taylor Jr. | 35 | F | 6'6" | 200 | Sophomore | Transferred to St. John's |
| Name | Num | Pos. ! | Height | Weight | Year | Hometown | Previous School | |
|---|---|---|---|---|---|---|---|---|
| Nate Meithof | 13 | G | 6'5" | Junior | College of Southern Idaho |
Source:[1] |-!colspan=12 style=| Exhibition|-!colspan=12 style=| Non-conference regular season|-!colspan=12 style=| Pac-12 regular season|-!colspan=12 style=| Pac-12 tournament