| Abbreviation | Definition |
|---|---|
| ETAP | Entreprenuerial Technology Apprenticeship Program |
| ETBU | East Texas Baptist University |
| ETC | Education, Traditions, and Celebrations |
| ETC | Educational Technology Consortium |
| ETC | Excellence, Training, and Capability |
| ETD | Electronic Theses and Dissertations |
| ETD | Evaluation Translation Department |
| ETEC | Edward Teller Education Center |
| ETEC | Energy Technology Engineering Center |
| ETEC | Environmental Technology and Engineering Center |
| ETF | European Technology Facility |
| ETMC | Educational Technology Media Center |
| ETP | Every Third Problem |
| ETS | Educational Testing Services |
| ETS | Engineering Training Services |
| ETSI | European Therapy Studies Institute |
| ETSU | East Tennessee State University |
| ETSU | East Tennessee State University's |
| ETSU | East Texas State University |
| ETSU | Eastern Tennessee STATE university |