| Year: | 1955 |
| Team: | Oregon State Beavers |
| Sport: | football |
| Conference: | Pacific Coast Conference |
| Short Conf: | PCC |
| Record: | 6–3 |
| Conf Record: | 5–2 |
| Head Coach: | Tommy Prothro |
| Hc Year: | 1st |
| Off Scheme: | Single-wing |
| Stadium: | Parker Stadium Multnomah Stadium |
The 1955 Oregon State Beavers football team represented Oregon State University as a member of the Pacific Coast Conference (PCC) during the 1955 college football season. In their first season under head coach Tommy Prothro, the Beavers compiled an overall record of 6–3 record with a mark of 5–2 in conference play, placing second in the OCC, and outscored their opponents 126 to 120.[1] They played three home games on campus at Parker Stadium in Corvallis and one at Multnomah Stadium in Portland.
Hired in February at age 34, Prothro had been an assistant under Red Sanders for nine seasons; at UCLA (1949–54) and Vanderbilt (1946–48).[2] [3] [4] He led OSU for ten seasons, compiling an overall record of, and was against PCC opponents.
Conference opponent not played this season: USC