EWMS
| 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) |