2023–24 Appalachian State Mountaineers men's basketball team

The 2023–24 Appalachian State Mountaineers men's basketball team represented Appalachian State University in the 2023–24 NCAA Division I men's basketball season. The Mountaineers, led by fifth-year head coach Dustin Kerns, played their home games at the Holmes Center in Boone, North Carolina as members in the Sun Belt Conference.

Previous season
The Mountaineers finished the 2022–23 season 16–16, 9–9 in Sun Belt play to finish in a tie for seventh place. The Mountaineers lost to South Alabama in the first round of the Sun Belt tournament.

Preseason Sun Belt Conference poll
The Mountaineers were picked to finish in second place in the conference's preseason poll. Graduate forward Donovan Gregory was named to the preseason All-SBC First Team. Senior forward CJ Huntley was named to the conference preseason third team.

Schedule and results
!colspan=12 style=| Non-conference regular season

!colspan=9 style=| Sun Belt Conference regular season

!colspan=9 style=| Sun Belt tournament

!colspan=9 style=| NIT

Source