Mundà Âk County is a kun (county) in South P'yà Ângan province, North Korea.
Mundà Âk County is divided into 1 à Âp (town), 1 rodongjagu (workers' districts) and 21 ri (villages):
Mundà Âk county is served by the P'yà Ângà Âi and Sà Âhae lines of the Korean State Railway.