LUN or Lun may refers the same
Logical Unit Number, in computer storage Los Angeles Union Station (Amtrak identifier code) Lun, Croatia, a town Lusaka International Airport (IATA airport code) Lunda language (ISO 639-3 language code) Lun-class ekranoplan, ground effect vehicles Monday (shorthand in several Romance languages)
See also Las Últimas Noticias, Chilean daily, frequently shortened to LUN