| Acronym | Definition |
|---|
| MSWS➣Medical Social Work Services (geriatric services; Florida) |
| MSWS➣Microsoft Windows Sockets |
| MSWS➣Mass Social Welfare Scheme (Ghana) |
| MSWS➣Multi-Sensor Warning System |
| MSWS➣Mountain States Weather Services (est. 1977; Fort Collins, CO) |
| MSWS➣Maple Summer Workshop and Symposium (Rensselaer Polytechnic Institute; Troy, NY) |
| MSWS➣Mid-South Winter Series (racing) |