UIAA
| Acronym | Definition |
|---|---|
| UIAA | University of Illinois Alumni Association |
| UIAA | Union Internationale des Associations d’Alpinisme (French: International Union Mountaineering Associations; Switzerland) |
| UIAA | United Irish American Association (Buffalo, NY) |
| UIAA | Utah Insurance Agency Alliance |
| UIAA | Uqqurmiut Inuit Artists' Association (est. 1988) |