WMCA
| Acronym | Definition |
|---|---|
| WMCA | Washington Municipal Clerks Association (est. 1970) |
| WMCA | Western Medical Center Anaheim (Anaheim, CA) |
| WMCA | West Michigan Construction Alliance (Coopersville, MI) |
| WMCA | Western Marine Community Association |
| WMCA | Wolf Mountain Conference Association |
| WMCA | Wichita Mid-Continent Airport (Kansas) |