| Acronym | Definition |
|---|
| WCAA➣Window Coverings Association of America |
| WCAA➣Workers Compensation Amendment Act (Canada) |
| WCAA➣Wayne County Airport Authority |
| WCAA➣Woodlands Christian Athletic Association (Woodlands, Texas) |
| WCAA➣Windy City Athletic Association (Chicago, Illinois) |
| WCAA➣Wayne County Arts Alliance (Pennsylvania) |
| WCAA➣Wellesley College Alumnae Association |
| WCAA➣Wyoming Children's Action Alliance |
| WCAA➣World Commercial Aircraft Accidents |
| WCAA➣West Central Auto Auction |
| WCAA➣West Chester Auto Auction |
| WCAA➣World Chlor-Alkali Analysis |
| WCAA➣Western Classified Advertising Association |
| WCAA➣World Council of Anthropological Associations |
| WCAA➣Western College Alumnae Association |
| WCAA➣Wesley Chapel Athletic Association (Arkansas and Florida) |
| WCAA➣Weight Class Athletic Association |
| WCAA➣Water Conservation Association of Australia |
| WCAA➣Western Colorado Angus Association |
| WCAA➣Wyoming Community Action Association |
| WCAA➣Walsh Code Assignment Algorithm |
| WCAA➣Washington Clean Air Act |
| WCAA➣Walker County Arts Alliance |
| WCAA➣West Coast Airsoft Association (various locations) |
| WCAA➣Weld County Apartment Association (Colorado) |