The 2017 Colorado Buffaloes football team represented the University of Colorado Boulder during the 2017 NCAA Division I FBS football season. The Buffaloes were led by fifth-year head coach Mike MacIntyre, and played their home games at Folsom Field in Boulder. They competed as members of the South Division of the Pac-12 Conference. They finished the season 5–7, 2–7 in Pac-12 play to finish in last place in the South Division.