| Acronym | Definition |
|---|
| EWMS➣Electronic Warfare Management System |
| EWMS➣Earl Warren Middle School (Solana Beach, CA) |
| EWMS➣Electronic Warfare Mutual Support |
| EWMS➣Environmental and Waste Management Services (Brookhaven National Laboratory) |
| EWMS➣Eierlegende Woll Milch Sau (German: Egg laying wooly milk pig) |