| 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) |