EWCS
| Acronym | Definition |
|---|---|
| EWCS | European Working Conditions Survey (European Foundation for the Improvement of Living and Working Conditions) |
| EWCS | East Wellington Community Services (formerly East Wellington Advisory Group; Canada) |
| EWCS | European Wideband Communications System |
| EWCS | Electronic Warfare Coordination Center |
| EWCS | Electronic Warfare Control Ship/System |
| EWCS | Electronic Warfare Command Station/System |