SEWS
| 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 |