| Acronym | Definition |
|---|
| EWSS➣Easy Web Site Services (UK) |
| EWSS➣Environmental Water Supply System (Japan) |
| EWSS➣Embroidery Work & Safety Supplies (Australia) |
| EWSS➣Electronic Warfare Support System |
| EWSS➣East West Sports Summit (international conference) |
| EWSS➣Electronic Warfare Scenario Simulator (US DoD) |