The 1978 Oregon State Beavers football team represented Oregon State University in the Pacific-10 Conference (Pac-10) during the 1978 NCAA Division I-A football season. In their third season under head coach Craig Fertig, the Beavers compiled a 3–7–1 record (2–6 in Pac-10, ninth), and were outscored 266 to 128. The team played its five home games on campus at Parker Stadium in Corvallis.