| Mode: | Basketball |
| Year: | 2017–18 |
| Team: | Oregon State Beavers |
| Conference: | Pac-12 Conference |
| Short Conf: | Pac-12 |
| Record: | 16–16 |
| Conf Record: | 7–11 |
| Hc Year: | 4th |
| Asst Coach2: | Gregg Gottlieb |
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 finished the season 16–16, 7–11 in Pac-12 play to finish in tenth place. They defeated Washington in the first round of the Pac-12 tournament before losing in the quarterfinals to USC.
The 2016–17 Beavers finished the 2016–17 season 5–27, 1–17 in the Pac-12 to finish last. They lost to California in the first round of the Pac-12 Tournament.
| Name | Pos. | Height | Weight | Year | Hometown | Reason for Departure | |
|---|---|---|---|---|---|---|---|
| F | 205 | Redmond, OR | Walk-on; Will graduate and transfer.[1] | ||||
| G | 200 | Billings, MT | Retire due to injuries. |
| Name | Pos. | Height | Weight | Year | Hometown | Notes | |
|---|---|---|---|---|---|---|---|
| F | 212 | Seattle, WA | Graduate transfer from UMass.[2] | ||||
| C | 210 | Gervais, OR | Transfer who last played for Northwest Christian University.[3] |
|-!colspan=12 style="background:#; color:#;"| Exhibition|-!colspan=12 style="background:#; color:#;"| Non-conference regular season|-!colspan=12 style="background:#;"| Pac-12 regular season|-!colspan=12 style="background:#;"| Pac-12 tournament