The 2019 Colorado Buffaloes football team represented the University of Colorado Boulder during the 2019 NCAA Division I FBS football season. The Buffaloes were led by first-year head coach Mel Tucker and played their home games on campus at Folsom Field. They competed as a member of the South Division of the Pac-12 Conference. They finished the season 5–7, 3–6 in Pac-12 play to finish in fifth place in the South Division.