| Abbreviation | Definition |
|---|---|
| UCAU | United Chinese Association Of Utah |
| UCDA | Used Car Dealers' Association of Ontario |
| UCECA | Union County Electrical Contractors Association |
| UCGA | Underground Coal Gasification industry |
| UCLA | United Colon Lovers Association |
| UCMU | Unité Communautaire des Mesures d' Urgences |
| UCSA | University College Student Association |
| UCT | United Commercial Travelers |
| UCTEA | Union of Chambers of Turkish Engineers and Architects |
| UDA | Uncertain Data Association |
| UDLG | United Disability Lawyers Group |
| UEAPME | European Association of Craft, Small and Medium-Sized Enterprises |
| UEFA | United European Football Association |
| UFA | Uniformed Firefighter‘s Association |
| UFA | Uniformed Firefighters Association |
| UFF | United Faculty of Florida |
| UFIA | Undergraduate French And Italian Association |
| UFIA | Urbaniana Friends International Association |
| UFIA | Utah Food Industry Association |
| UFSC | Urban Financial Services Coalition (formerly National Association of Urban Bankers) |