WaCA
| Acronym | Definition |
|---|---|
| WaCA | Warranty Corporation of America (Norcross, GA) |
| WaCA | Western Australia Cricket Association |
| WaCA | Wall and Ceiling Alliance (California) |
| WaCA | World Affairs Councils of America |
| WaCA | Walnut Canyon National Monument (US National Park Service) |
| WaCA | World Airlines Clubs Association (Montreal, Canada) |
| WaCA | World Association of Chinese Architects |
| WaCA | Wellingborough African-Caribbean Association |
| WaCA | Washtenaw Association for Community Advocacy |