The 2019 Appalachian State Mountaineers football team represented Appalachian State University during the 2019 NCAA Division I FBS football season.

The Mountaineers were led by first-year head coach Eliah Drinkwitz through the team's win in the Sun Belt Conference Championship Game, after which he left to fill the head coaching vacancy at Missouri.

[1] Shawn Clark led the team during their bowl game appearance.

Appalachian State played their 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.

[2] Sources: Quarterback Running back Wide receiver Tight end Placekicker Offensive Lineman Defensive Lineman Punter Linebacker Defensive back Long snappers Source:[3] at Kidd Brewer Stadium, Boone, North Carolina