RWIS
| Acronym | Definition |
|---|---|
| RWIS | Road Weather Information System |
| RWIS | Reporter Wireless Intercom System (telecommunications) |
| RWIS | Raw Water Intake Structure |
| RWIS | Restraint Plus Water-Immersion Stress |
| RWIS | Rockford Wheels in Scale (car modeling club; Rockford, IL) |
| RWIS | Rectangular Windowed Integration Sampler |