| 2015 NCAA Division I FBS season | |
|---|---|
 | |
| Number of teams | 127 full members + 1 transitional |
| Duration | September 3, 2015 – December 12, 2015 |
| Preseason AP No. 1 | Ohio State |
| Postseason | |
| Duration | December 19, 2015 – January 11, 2016 |
| Bowl games | 41 |
| AP Poll No. 1 | Alabama |
| Coaches Poll No. 1 | Alabama |
| Heisman Trophy | Derrick Henry (running back, Alabama) |
| College Football Playoff | |
| 2016 College Football Playoff National Championship | |
| Site | University of Phoenix Stadium Glendale, Arizona |
| Champion(s) | Alabama |
| NCAA Division I FBS football seasons | |
← 2014 2016 → | |
The 2015 NCAA Division I FBS football season was the highest level of college football competition in the United States organized by the National Collegiate Athletic Association (NCAA). The regular season began on September 3, 2015, and ended on December 12, 2015. The postseason concluded on January 11, 2016, with Alabama defeating Clemson in the 2016 College Football Playoff National Championship. This was the second season of the College Football Playoff (CFP) championship system.