| Acronym | Definition |
|---|
| UBI | Universal Basic Income |
| UBI | Usage-Based Insurance (automobile insurance) |
| UBI | Universidade da Beira Interior (Portugal) |
| UBI | University of Beira Interior (Portugal) |
| UBI | Unconditional Basic Income |
| UBI | United Bank of India |
| UBI | United Barcode Industries |
| UBI | Unrelated Business Income |
| UBI | Unified Business Identifier |
| UBI | United Bicycle Institute |
| UBI | UKW-Sprechfunkzeugnis für den Binnenschifffahrtsfunk (German: internationally valid radio certification) |
| UBI | United Business Institutes |
| UBI | Ultraviolet Blood Irradiation |
| UBI | Unexplained Beer Injury |
| UBI | Ultrasonic Borehole Imager (Schlumberger borehole logging tool) |
| UBI | Useless Bits of Information |
| UBI | Unified Business ID (Washington) |
| UBI | Unidentified Beer Injury |