| Acronym | Definition |
|---|
| WIAA➣Washington Interscholastic Activities Association |
| WIAA➣Western India Automobile Association |
| WIAA➣Western Insurance Agents Association (Rancho Cordova, CA) |
| WIAA➣Wisconsin Interscholastic Athletics Association |
| WIAA➣Wisconsin Intercollegiate Athletic Association |
| WIAA➣Women in Agriculture Association |