Atun may refer to:
People Hakkı Atun, former prime minister of the Turkish Republic of Northern Cyprus Norman Atun, Malaysian actor
Fish Leionura atun (also "snoek" or "Cape snoek"), a perch-like commercial food fish in the family Gempylidae Atún, Spanish for tuna (e.g. Comisión Interamericana del Atún Tropical) Other Atum (also Atem or Tem), deity in Egyptian mythology Kabushiki-Gaisha Ātūn; see Artoon Atun Zaitun, a character in the Indonesian television series Si Doel Anak Sekolahan