| Year: | 1945 |
| Team: | Oregon State Beavers |
| Sport: | football |
| Conference: | Pacific Coast Conference |
| Short Conf: | PCC |
| Record: | 4–4–1 |
| Conf Record: | 4–4 |
| Head Coach: | Lon Stiner |
| Hc Year: | 11th |
| Stadium: | Bell Field |
| Prev: | 1942 |
The 1945 Oregon State Beavers football team represented Oregon State College in the Pacific Coast Conference (PCC) during the 1945 college football season. Led by eleventh-year head coach Lon Stiner, the Beavers compiled a 4–4–1 record (4–4 in PCC, fourth), and were outscored 131 to 100.[1] OSC played its five home games on campus at Bell Field in Corvallis.
The season marked the resumption of play after the conclusion of World War II; the Beavers last fielded a team in 1942.