| Sport: | football |
| Year: | 2021 |
| Team: | Oregon State Beavers |
| Conference: | Pac-12 Conference |
| Division: | North Division |
| Short Conf: | Pac-12 |
| Record: | 7–6 |
| Conf Record: | 5–4 |
| Head Coach: | Jonathan Smith |
| Hc Year: | 4th |
| Off Coach: | Brian Lindgren |
| Oc Year: | 4th |
| Def Coach: | Tim Tibesar |
| Dc Year: | 4th |
| Off Scheme: | Spread |
| Stadium: | Reser Stadium |
| Bowl: | LA Bowl |
| Bowl Result: | L 13–24 vs. Utah State |
The 2021 Oregon State Beavers football team represented Oregon State University during the 2021 NCAA Division I FBS football season. They were led by fourth-year head coach Jonathan Smith. The team played their home games on campus at Reser Stadium in Corvallis, Oregon, as a member of the North Division of the Pac-12 Conference.
Defensive Coordinator Tim Tibesar's contract was terminated on November 7, the day after their 37–34 loss to Colorado.[1]
See also: 2021 Hawaii Rainbow Warriors football team.
See also: 2021 Idaho Vandals football team.
See also: 2021 USC Trojans football team.
See also: 2021 Washington Huskies football team.
See also: 2021 Washington State Cougars football team.
See also: 2021 Utah Utes football team.
See also: 2021 California Golden Bears football team.
See also: 2021 Colorado Buffaloes football team.
See also: 2021 Stanford Cardinal football team.
See also: 2021 Arizona State Sun Devils football team.
See also: 2021 Oregon Ducks football team and Oregon–Oregon State football rivalry.
See also: 2021 Utah State Aggies football team and 2021 LA Bowl.