The 2005 Oregon State Beavers football team represented Oregon State University as a member of the Pacific-10 Conference (Pac-10) during the 2005 NCAA Division I-A football season. Led by fifth-year head coach Mike Riley, the Beavers compiled an overall record of 5âÂÂ6 with a mark of 3âÂÂ5 in conference play, placing seventh the Pac-10. The team played home games at Reser Stadium in Corvallis, Oregon.