Lun

LUN or Lun may refer to:


 * Logical unit number, in computer storage
 * Lun, Croatia
 * Lown-e Kohneh or Lūn, Iran
 * Lün, a district in Mongolia's Central Province
 * ISO 639-3 language code for the Lunda language
 * Lun-class ekranoplan, a Soviet ground-effect vehicle