'''ETI''' may refer to: {{wiktionary|ETI|eti}}
== Organizations == * Ecobank Transnational Inc., a pan-African banking conglomerate * Electric Transit, Inc., a defunct American trolleybus manufacturer * Electronic Temperature Instruments, a British instrumentation manufacturer * Elemental Technologies, Inc., an American video software company * Energy Technologies Institute, a British energy research institute * Ente Tabacchi Italiani, an Italian tobacco company * Equipment and Tool Institute, an American automotive trade association * Ethical Trading Initiative, a British membership organisation promoting ethical supply-chain management * Eti (company), a Turkish food company * Eti Maden, a Turkish mining and chemicals company
== People == * Eti Livni (born 1948), Israeli politician * Eti Saaga (1950–2017), American Samoan writer * Eti Tavares (born 1993), Bissau-Guinean footballer
== Science == * Ethyl iodide * Effector-triggered immunity * Extraterrestrial intelligence
== Other uses == * ''Eti'' (film), a 2008 Indian Bengali-language film * Eti River, Sarem Island, Indonesia * ''Electronics Today International'', a defunct magazine * "E.T.I. (Extra Terrestrial Intelligence)", a song by Blue Öyster Cult from their 1976 album ''Agents of Fortune''
{{disambiguation}}