| Acronym | Definition |
|---|
| URB➣USB (Universal Serial Bus) Request Block |
| URB➣Urbanización (district; postcode use, Puerto Rico) |
| URB➣Usb Request Block |
| URB➣Universal Request Block |
| URB➣Universal Restriction Buffer |
| URB➣University Radio Bath (UK) |
| URB➣Upright Bass (musical instrument) |
| URB➣Unfair Random Brutality (gaming) |
| URB➣Urban Semiotic Blog |
| URB➣Upper Reliability Bound |
| URB➣Unités de Renseignement de Brigade (French: Units Intelligence Brigade) |
| URB➣Urubupunga, Sao Paulo, Brazil (Airport Code) |
| URB➣Universal Request Broker |
| URB➣Unreconciled Balance |
| URB➣Union of Russia and Belarus |
| URB➣User Requirement Brief |