| Acronym | Definition |
|---|
| ETDA➣East Timor Development Agency |
| ETDA➣Experiential Training and Development Alliance (Portland, OR) |
| ETDA➣Environmental Tactical Decision Aids |
| ETDA➣European Technical Diving Association (Luxembourg) |
| ETDA➣Education and Training Development Agenda (UK) |
| ETDA➣Employment Technology Development Agency (Bangladesh; est. 1984) |