| Year: | 1915 |
| Team: | SMU Mustangs |
| Sport: | football |
| Conference: | Texas Intercollegiate Athletic Association |
| Short Conf: | TIAA |
| Record: | 2–5 |
| Head Coach: | Ray Morrison |
| Hc Year: | 1st |
| Captain: | J. A. Barton |
| Stadium: | SMU grounds, Fair Park |
| Prev Year: | none |
The 1915 SMU Mustangs football team represented the Southern Methodist University (SMU) as a member of the Texas Intercollegiate Athletic Association (TIAA) during the 1915 college football season. Led by first-year head coach Ray Morrison, the Mustangs compiled an overall record of 2–5.