| Mode: | football |
| Year: | 2015 |
| Team: | Southern Utah Thunderbirds |
| Conference: | Big Sky Conference |
| Short Conf: | Big Sky |
| Statsrank: | 18 |
| Fcscoachrank: | 18 |
| Record: | 8–4 |
| Conf Record: | 7–1 |
| Head Coach: | Ed Lamb |
| Hc Year: | 8th |
| Off Coach: | Gary Crowton |
| Oc Year: | 2nd |
| Def Coach: | Demario Warren |
| Dc Year: | 2nd |
| Stadium: | Eccles Coliseum |
| Champion: | Big Sky champion |
| Bowl: | FCS Playoffs First Round |
| Bowl Result: | L 39–42 vs. Sam Houston State |
The 2015 Southern Utah Thunderbirds football team represented Southern Utah University in the 2015 NCAA Division I FCS football season. They were led by eighth-year head coach Ed Lamb and played their home games at Eccles Coliseum. This was their fourth year as a member of the Big Sky Conference. They finished the season 8–4, 7–1 in Big Sky play to be crowned Big Sky champion for the first time. They received the Big Sky's automatic bid to the FCS playoffs where they lost in the first round to Sam Houston State.
On December 26, Lamb resigned to become the special teams coordinator and tight ends coach at BYU.[1] He finished at Southern Utah with an eight year record of 45–47.
See also: 2015 Utah State Aggies football team.
See also: 2015 South Dakota State Jackrabbits football team.
See also: 2015 Northern Colorado Bears football team.
See also: 2015 Weber State Wildcats football team.
See also: 2015 Sacramento State Hornets football team.
See also: 2015 UC Davis Aggies football team.
See also: 2015 Cal Poly Mustangs football team.
See also: 2015 Montana State Bobcats football team.
See also: 2015 Portland State Vikings football team.
See also: 2015 Northern Arizona Lumberjacks football team and Northern Arizona–Southern Utah football rivalry.
See also: 2015 Sam Houston State Bearkats football team.
See main article: 2015 NCAA Division I FCS football rankings.