ELN may refer to:

• National Liberation Army (Colombia) (Spanish: Ejército de Liberación Nacional), 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: Ejército de Liberación Nacional), a guerilla group active in 1965

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

• 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

This disambiguation page lists articles associated with the title ELN.
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