The Mountaineers were led by fourth-year head coach Shawn Clark.

Appalachian State played home games at Kidd Brewer Stadium on the school's Boone, North Carolina, campus, and competed as a member of the East Division of the Sun Belt Conference.

The Appalachian State Mountaineers football team drew an average home attendance of 34,734 in 2023.

[3] In the Sun Belt preseason coaches' poll, the Mountaineers were picked to finish in second place in the East division.

[4] Offensive lineman Isaiah Helms and right safety Milan Tucker were named to the preseason All-Sun Belt first team.