| Acronym | Definition |
|---|
| WDCA➣World Data Centre for Aerosols (Ispra, Italy; World Meterological Organization) |
| WDCA➣Workers' Disability Compensation Act (Michigan) |
| WDCA➣Wisconsin Debate Coaches Association |
| WDCA➣Washington Dwarf Car Association |
| WDCA➣Working Dogo Canario Alliance |
| WDCA➣Washington, District of Columbia Area (TV station; Washington, DC) |