| Abbreviation | Definition |
|---|---|
| ETA | Esti Teaduste Akadeemia |
| ETA | European Thyroid Association |
| ETA | European Tugowners Association |
| ETA | Evangelical Training Association |
| ETCF | European Thin Clients Forum |
| ETDA | European Technology Development Association |
| ETDC | Entrepreneurship Training Development Center |
| ETEA | Education and Training Employees Association |
| ETF | European Task Force |
| ETSFA | Engineering Technology Scholarship Foundation of Alberta |
| EUC | End User critical |
| EUCA | Engineering Utility Contractors Association |
| EUCA | Engineering Utility Contractors Associations |
| EUCOMED | EUropean COnfederation of MEDical Devices Associations |
| EUCS | European Union Consulting Services |
| EUNA | European Union Nurse Adaptation |
| EVER | European Association for Vision and Eye Research |
| EVERI | European Veterinarians in Education, Research, and Industry |
| EVHBA | East Valley Hispanic Business Alliance |
| EWA | Egyptian Webmasters Association |