| Acronym | Definition |
|---|
| UBA | Universidad de Buenos Aires (Spanish: University of Buenos Aires; Buenos Aires, Argentina) |
| UBA | Umweltbundesamt (German: Federal Environment Agency) |
| UBA | University of Buenos Aires (aka Universidad de Buenos Aires; Argentina) |
| UBA | Ubiquitin-Associated |
| UBA | Bibliotheek van de Universiteit van Amsterdam |
| UBA | United Bank for Africa Plc |
| UBA | Urstadt Biddle Properties Inc. |
| UBA | Urstadt Biddle Properties Inc |
| UBA | Utah Bankers Association (Salt Lake City, UT) |
| UBA | United Benefit Advisors (Indianapolis, IN) |
| UBA | Uberaba Airport |
| UBA | Unidad de Bienestar Animal (Spanish: Animal Welfare Unit; Guatemala) |
| UBA | Underwater Breathing Apparatus |
| UBA | Uberaba, Brazil |
| UBA | Myanmar Airways (ICAO code) |
| UBA | União Brasileira de Avicultura |
| UBA | Universidad Bicentenaria de Aragua (Venezuela) |
| UBA | Unibus Adapter |
| UBA | Union Baptist Association |
| UBA | Unbundled Bitstream Access |
| UBA | Union Belge des Annonceurs (Unie der Belgische Adverteerders) |
| UBA | Urstadt Biddle A (stock symbol) |
| UBA | Unie der Belgische Adverteerders |
| UBA | United British Alliance |
| UBA | Union of Burma Airways |
| UBA | Undergraduate Business Association |
| UBA | Royal Union of Belgian Amateur Radio |
| UBA | United Basketball Alliance |
| UBA | University Business Administrators (program) |
| UBA | United Bloggers of America |
| UBA | United Business Alliance (Dallas, TX) |
| UBA | Ukrainian Bioenergy Association |
| UBA | United Brands Association |
| UBA | United British Artists |
| UBA | United Bank of Albania |
| UBA | Universal Baseball Association |
| UBA | United Barmy Army (gaming clan) |
| UBA | Union Bank of Australia |
| UBA | Universal Business Adapter |
| UBA | Urbana Business Association |
| UBA | United Business Association |
| UBA | United Business Associates |
| UBA | Union of Banks of Armenia |
| UBA | Uganda Bikers Association |
| UBA | Ultimate Basketball Association (software) |
| UBA | Union Belge de l'Automatique (Unie van de Belgische Automatenbanche) |
| UBA | Union Belge de l'Automatique |
| UBA | Union des Bateliers Arcachonnais |
| UBA | Unpressurized Berthing Adapter |
| UBA | Union Benevolent Association (Philadelphia, PA) |
| UBA | Upper Body Adiposity |
| UBA | University Buddhist Association |
| UBA | Utah Bear Alliance |
| UBA | Union of Bulgarian Actors |
| UBA | United Battlefield Association |
| UBA | United Brewers of America |
| UBA | Unitarized Born Approximation |
| UBA | Undergraduate Biology Association (University of Buffalo, NY) |
| UBA | Upper Band Array |
| UBA | Universal Biomedical Amplifier |
| UBA | United Bulldogge Association |
| UBA | Unie Van de Belgische Automatenbranche |
| UBA | Utah Bowmen's Association |
| UBA | Unused Building Area |
| UBA | United Baltic Appeal, Inc. |
| UBA | Uncertainty Based Allocation |
| UBA | Ukrainian Booking Agency |
| UBA | Ukranian Bar Association (Kiev, Ukraine) |