The 2018 Marshall Thundering Herd football team represented Marshall University in the 2018 NCAA Division I FBS football season. The Thundering Herd played their home games at the Joan C. Edwards Stadium in Huntington, West Virginia, and competed in the East Division of Conference USA (C-USA). They were led by ninth-year head coach Doc Holliday. They finished the season 9–4, 6–2 in C-USA play to finish in a tie for second place in the East Division. They were invited to the Gasparilla Bowl where they defeated South Florida.