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.
|- !colspan=6 style=""| SMU Tournament
|- !colspan=6 style=""| Non-conference regular season |-
|- !colspan=6 style=""| American Athletic Conference regular season |-
|- !colspan=6 style=""| American Athletic Conference Tournament
|- !colspan=6 style=""| NCAA Tournament
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