WMSA
| Acronym | Definition |
|---|---|
| WMSA | West Michigan Strategic Alliance (est. 2000) |
| WMSA | Woodworking Machinery Suppliers Association (UK) |
| WMSA | West Mendip Soaring Association (UK) |
| WMSA | West Midlands Ski Association (England, UK) |
| WMSA | Weighted Multi-Slot Averaging |
| WMSA | Women in Military Service for America |
| WMSA | West Missouri Shooters Alliance |