| Acronym | Definition |
|---|
| EWA | Emery Worldwide Airlines (California) |
| EWA | Electronic Warfare Association |
| EWA | European Water Association (est. 1981) |
| EWA | Eastern Wrestling Alliance |
| EWA | Enterprise Wireless Alliance |
| EWA | Enterprise Web Application (software) |
| EWA | Electronic Warfare Associates, Inc. |
| EWA | Engineered Wood Association |
| EWA | Edgewood Arsenal |
| EWA | Elliptical Weighted Average (algorithm) |
| EWA | Enhanced Wing Assembly (aviation) |
| EWA | Earl Walls Associates (laboratory design consultants) |
| EWA | Empire Wrestling Alliance (New Jersey) |
| EWA | Energy from Waste Association (UK) |
| EWA | Early Works Agreement (UK) |
| EWA | Europäisches Währungsabkommen (European Monetary Trust) |
| EWA | Extra Work Authorization |
| EWA | Existing Wall Anchor |
| EWA | Explicit Window Adaptation |
| EWA | Engineering Work Authorization |
| EWA | Environmental Work Area |