Mesen or Masen or Mesan or Mosan or Masan () may refer to: Mesen, Chaharmahal and Bakhtiari (مسن - Mesen) Mesan, East Azerbaijan (مسن - Mesan) Mesen, Hormozgan (مسن - Mesen) Masan, Kurdistan (ماسان - Māsān) Masen (ماسن - Māsen), South Khorasan Province