| Acronym | Definition |
|---|
| UBO | Uniform Business Office (US DoD) |
| UBO | Université de Bretagne Occidentale (French University Britanny) |
| UBO | Ublock Origin (web browser extension) |
| UBO | Universal Boxing Organization |
| UBO | Urban Box Office |
| UBO | Ultimate Baseball Online |
| UBO | Ultimate Beneficial Owner |
| UBO | Unincorporated Business Organization |
| UBO | Under Bench Oven (cabinetry) |
| UBO | Unidentified Bright Object (radiology) |
| UBO | Ultimate Bottle Opener (Kult Inn product) |
| UBO | Unique Business Offering |
| UBO | Unemployment Benefit Office (UK) |
| UBO | United Booking Office (1920's Vaudeville Syndicate) |
| UBO | Underground Beat Online (Sacramento, CA based independent online magazine) |
| UBO | UBoutdoors.com |