| 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 |