The 2018 UTSA Roadrunners football team represented the University of Texas at San Antonio in the 2018 NCAA Division I FBS football season. The Roadrunners played their home games at the Alamodome in San Antonio, TX, and competed in the West Division of Conference USA (C–USA). They were led by third-year head coach Frank Wilson. They finished the season 3–9, 2–6 in C-USA play to finish in fifth place in the West Division.