The 1966 Colorado Buffaloes football team was an American football team that represented the University of Colorado as a member of the Big Eight Conference during the 1966 NCAA University Division football season. Led by fourth-year head coach Eddie Crowder, the Buffaloes compiled an overall record of 7–3 with a mark of 5–2 in conference play, runner-up in the Big 8. Colorado played their home games on campus at Folsom Field in Boulder, Colorado.