1989 SMU Mustangs football team

The 1989 SMU Mustangs football team represented the Southern Methodist University in the 1989 NCAA Division I-A football season. It was the first season played by the Mustangs since 1986, after being issued the "death penalty" by the NCAA. The Mustangs offense scored 187 points while the defense allowed 499 points. In a game versus the Houston Cougars on October 21, the Mustangs allowed 95 points.