ECWS
| Acronym | Definition |
|---|---|
| ECWS | English Civil War Society (history re-enactment group) |
| ECWS | Extreme Cold Weather System |
| ECWS | Extended Cold Weather System |
| ECWS | Element Control Workstation |
| ECWS | Evere Country White Star (Brussels, Belgium) |
| ECWS | Enhanced Caution Warning System |
| ECWS | Electronic Computer Waste Services (Lancashire, England electronic recycling company) |