| Year: | 1966 |
| Team: | Colorado Buffaloes |
| Sport: | football |
| Conference: | Big Eight Conference |
| Short Conf: | Big 8 |
| Record: | 7–3 |
| Conf Record: | 5–2 |
| Hc Year: | 4th |
| Mvp: | Bill Fairband |
| Captain: | John Beard |
| Captain2: | Hale Irwin |
| Stadium: | Folsom Field |
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 home games on campus at Folsom Field in Boulder, Colorado.
The starting safeties were Dick Anderson and Hale Irwin, both from Boulder High School.[1] Irwin was first-team all-conference, Anderson was honorable mention.[2]