| Abbreviation | Definition |
|---|---|
| ETAA | Emission Trading Association of Australia |
| ETAA | Equine Therapies Association Australia |
| ETAD | Ecological and Toxicological Association of Dyes |
| ETBA | East Tawas Business Association |
| ETBA | East Tennessee Biomedical Association |
| ETBA | East Texas Bass Association |
| ETBA | East Texas Beekeepers Association |
| ETBA | East Texas Builders Association |
| ETBA | Europe Taiwan Biotech Association |
| ETCA | East Tennessee Chinese Association |
| ETCA | East Texas Callers Association |
| ETEA | Ewing Township Education Association |
| ETESA | East Turkistan Education and Solidarity Association |
| ETGA | Edinburgh Tourist Guides Association |
| ETHA | East Texas Historical Association |
| ETOA | Ethiopian Tour Operators Association |
| ETOA | European Tour Operator Association |
| ETPA | East Tennessee Purchasing Association |
| ETRMA | European Tyre and Rubber Manufacturers Association |
| ETRMA | European Tyre Rubber Manufacturers Association |