ETN may refer to: Chim-Nir Aviation, an Israeli airline whose ICAO designator is ETN Eastern Television Network, in Somalia Eaton Corporation, an American industrial manufacturer Erie Times-News, a daily newspaper in Erie, Pennsylvania Erythema toxicum neonatorum Erythritol tetranitrate E.T.N.: The Extraterrestrial Nasty, a 1967 American horror film Eton language (Vanuatu) Europe Trust Netherlands Exchange-traded note