2023 Marshall Thundering Herd football team

The 2023 Marshall Thundering Herd football team represented Marshall University during the 2023 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 the Sun Belt Conference. The team was coached by third-year head coach Charles Huff.

Media poll
In the Sun Belt preseason coaches' poll, the Thundering Herd were picked to finish in fourth place in the East division. Offensive lineman Logan Osburn, Defensive lineman Owen Porter, linebacker Eli Neal, and defensive back Micah Abraham were named to the preseason All-Sun Belt first team. Running back Rasheen Ali and offensive lineman Ethan Driskell were named to the second team.

Coaching changes
On February 7 defensive coordinator Lance Guidry was hired by the University of Miami to be their defensive coordinator.

On February 9 the Thundering herd hired Jason Semore to be their defensive coordinator. He was previously the safeties and special teams coach at Georgia Tech.

Schedule
The football schedule was announced February 24, 2023.