| Sport: | football |
| Year: | 2015 |
| Team: | Colorado Buffaloes |
| Conference: | Pac-12 Conference |
| Division: | South Division |
| Short Conf: | Pac-12 |
| Record: | 4–9 |
| Conf Record: | 1–8 |
| Hc Year: | 3rd |
| Oc Year: | 3rd |
| Dc Year: | 1st |
| Off Scheme: | Pro–style |
| Def Scheme: | 4–3 |
The 2015 Colorado Buffaloes football team represented the University of Colorado at Boulder during the 2015 NCAA Division I FBS football season. Led by third-year head coach Mike MacIntyre, the Buffaloes played their home games on-campus at Folsom Field in Boulder and were members of the South Division of the Pac-12 Conference. They finished the season 4–9, 1–8 in Pac-12 play to finish in last place in the South Division.
Conference opponents not played this season: California, Washington
See also: 2015 Hawaii Rainbow Warriors football team.
See also: 2015 UMass Minutemen football team.
See also: 2015 Colorado State Rams football team and Rocky Mountain Showdown.
See also: 2015 Nicholls State Colonels football team.
See also: 2015 Oregon Ducks football team.
See also: 2015 Arizona State Sun Devils football team.
See also: 2015 Arizona Wildcats football team.
See also: 2015 Oregon State Beavers football team.
See also: 2015 UCLA Bruins football team.
See also: 2015 Stanford Cardinal football team.
See also: 2015 USC Trojans football team.
See also: 2015 Washington State Cougars football team.
See also: 2015 Utah Utes football team and Rumble in the Rockies.