| Sport: | Women's soccer |
| Year: | 2018 |
| Team: | SMU Mustangs |
| Conference: | American Athletic Conference |
| Short Conf: | American |
| Record: | 10–6–2 |
| Conf Record: | 5–4–0 |
| Head Coach: | Chris Petrucelli |
| Hc Year: | 7th |
| Asst Coach1: | Nicole Nelson |
| Ac1 Year: | 7th |
| Asst Coach2: | Mat Cosgriff |
| Ac2 Year: | 5th |
| Stadium: | Westcott Field |
The 2018 SMU Mustangs women's soccer team represented Southern Methodist University during the 2018 NCAA Division I women's soccer season. The regular season began on August 16 and concluded on October 26. It was the program's 25th season fielding a women's varsity soccer team, and their 6th season in the AAC. The 2018 season was Chris Petrucelli's seventh year as head coach for the program.
|-!colspan=6 style=""| Non-conference regular season|-|-!colspan=6 style=""| American Athletic Conference regular season|-|-!colspan=6 style=""| American Athletic Conference Tournament|-|-