| Acronym | Definition |
|---|
| SEWS➣Sumitomo Electric Wiring Systems (Bowling Green, KY) |
| SEWS➣Standard Emergency Warning Signal (Australia) |
| SEWS➣Satellite Early Warning System |
| SEWS➣Shared Early Warning System |
| SEWS➣Surrey, East and West Sussex Museum Development Service |
| SEWS➣Scientific/Engineering Workstation |