| Acronym | Definition |
|---|
| EWI➣Elliott Wave International |
| EWI➣Edison Welding Institute |
| EWI➣Electronic Wind Instrument (music) |
| EWI➣Executive Women International |
| EWI➣EastWest Institute |
| EWI➣Entry without Inspection (immigration) |
| EWI➣Europäisches Währungsinstitut |
| EWI➣Entered Without Inspection |
| EWI➣Expert Witness Institute (UK) |
| EWI➣Equal Weight Index |
| EWI➣Equal Width Increment |
| EWI➣Electric Wind Instrument |
| EWI➣Environmental Waste International |
| EWI➣Econet Wireless International |
| EWI➣Energiewirtschaftlichen Instituts |
| EWI➣Education With Industry (USAF) |
| EWI➣Early Warning Indicator |
| EWI➣Energiewerke Isernhagen |
| EWI➣Electronic Work Instruction |
| EWI➣Einführung in die Wirtschaftsinformatik |
| EWI➣Encountering the World of Islam (Littleton, CO) |
| EWI➣Environmental Writing Institute |
| EWI➣Explosive Waste Incinerator |
| EWI➣Enterprise Wide Integration |
| EWI➣European Web Index |
| EWI➣Electro World, Inc. (Oviedo, Florida) |
| EWI➣East-West International (now EWI Resinsurance Intermediaries & Consultants) |
| EWI➣Eijkman-Winkler Institute |
| EWI➣Education Wellington International (New Zealand) |
| EWI➣Enhanced Waveform Interpolative |
| EWI➣Emailing While Intoxicated |
| EWI➣EasyWeb Inc. |
| EWI➣Earth Weather Inc. |
| EWI➣E-mail Waiting Indication (Seimens) |
| EWI➣Est West Informatique |
| EWI➣Engineering Work Instructions |
| EWI➣European Wireless Institute |
| EWI➣Enterprise Wide Initiatives (MIT) |
| EWI➣East West Infiniti Pvt Ltd (Pakistan) |
| EWI➣Electronic Warfare Intelligence |
| EWI➣Equipment World India |
| EWI➣Ecumenical Women's Initiative (gender equality movement) |
| EWI➣Educational Weather Information |
| EWI➣EarthWatch Incorporated |