| Abbreviation | Definition |
|---|---|
| UB | Unemployment Benefit (JSAjob seekers allowance) |
| UB | Unemployment Benefit (JSA–job seekers’ allowance) |
| UB | Unemployment Benefit (now JSA) |
| UB | Unna boot |
| UB | upper back |
| UB | ureteric bud |
| UB | urinary bladder |
| UBC | ubiquitin C |
| UBC | ubiquitin-conjugating |
| UBC | unilateral breast cancer |
| UBC | United Birmingham Consortium |
| UBC | urinary bladder cancer |
| UBHT | United Bristol Healthcare Trust |
| UBRN | Unique Booking Reference Number |
| UC | unitary council |
| UCA | Urgent Care Administrator |
| UCAS | Universities College Admission Service |
| UCASXX | Universities and Colleges Admission Service |
| UCC | University College Corkor Urgent Care Centre |
| UCCT | Urgent Care Call Taker |