ERWG
| Acronym | Definition |
|---|---|
| ERWG | European Regional Working Group (est. 1995; International Commission on Irrigation and Drainage) |
| ERWG | Emergency Response Working Group |
| ERWG | Economic Relaunch Working Group (Hong Kong) |
| ERWG | External Relations Working Group (various organizations) |
| ERWG | Electronic Reporting Working Group |
| ERWG | Energy Region Weiz Gleisdorf (Austria) |