ETWG
| Acronym | Definition |
|---|---|
| ETWG | East Tennessee Woodworkers Guild (est. 1983) |
| ETWG | Energy Technology Working Group (est. 2003; Natural Resources Canada) |
| ETWG | Environment Technical Working Group (UK) |
| ETWG | Educational Technology Working Group (various universities) |
| ETWG | External Tank Working Group (US NASA) |
| ETWG | Emissions Trading Working Group (Sydney, Australia) |