ELN may refer to:

Paramilitary

  • National Liberation Army (Colombia) (Spanish: ), involved in the continuing Colombian armed conflict
  • Ñancahuazú Guerrilla, a guerilla group active in the Cordillera Province, Bolivia from 1966 to 1967
  • National Liberation Army (Peru) (Spanish: ), a guerilla group active in 1965

Science

  • ELN (gene), coding for Elastin
  • Electronic lab notebook

Other uses

  • Bowers Airport, serving Ellensburg, Washington, United States
  • East Lothian, historic county in Scotland, Chapman code
  • Élan, an Irish pharmaceutical company
  • Equity-linked note, a financial instrument
  • European Leadership Network, a European think-tank
  • Emerging Leaders Network, a program of Toronto-based CivicAction