The 2018 SMU Mustangs men's soccer team represented the Southern Methodist University during the 2018 NCAA Division I men's soccer season and the 2018 American Athletic Conference men's soccer season. The regular season began on August 24 and concluded on November 2. It was the program's 44th season fielding a men's varsity soccer team, and their 6th season in the AAC. The 2018 season was Kevin Hudson's fourth year as head coach for the program.