| Abbreviation | Definition |
|---|---|
| UC | Unanimous Consent |
| UC | Under Cost |
| UC | Upon Completion |
| UCA | Undefinitized Contract Action |
| UCC | Uniform Code Council |
| UCC | Uniform Commercial Code |
| UCITA | Uniform Computer Information Transactions Act |
| UCS | Universal Classification Standard |
| UD | Untitled Document |
| UDAA | Unclaimed Deposits Amendments Act of 1993 |
| UDC | Uniform Document Count |
| UDHR | Universal Declaration of Human Rights |
| UDI | Unilateral Declaration Of Independence |
| UDRP | Uniform Dispute Resolution Policy |
| UE | Unthinking Eurocentrism |
| UEC | Unit Electoral Commission |
| UEH | University Emergency Hire |
| UELP | Urban Enterprise Loan Program |
| UEM | Usability Evaluation Method |
| UEQ | Unskilled Employment by Occupation |