| Acronym | Definition |
|---|
| ETWA➣Eastern Townships Wrestling Association (US and Canada) |
| ETWA➣English Tiddlywinks Association |
| ETWA➣East Timor Women Australia |
| ETWA➣European Teleworkers Association |
| ETWA➣Equatorial Temperature and Wind Anomaly |
| ETWA➣Extreme Trampoline Wrestling Association |
| ETWA➣East Texas Writers Association (est. 1976; formerly Longview Writers Association) |