| Acronym | Definition |
|---|
| UBR➣Unspecified Bit Rate (ATM) |
| UBR➣Universal Broadband Router |
| UBR➣Unspecified Bit Rate |
| UBR➣Uddi Business Registry |
| UBR➣Universal Broadband Router (cable modems) |
| UBR➣Ultimate Breakfast Round (trademark of Rich's Foodservice) |
| UBR➣Universal Business Registry |
| UBR➣University Boat Race (UK) |
| UBR➣Undefined Bit Rate (ATM) |
| UBR➣Ubiquitin-Protein Ligase E3 Component N-Recognin |
| UBR➣Union of Belarus and Russia |
| UBR➣Usage-Based Reading (software design inspections) |
| UBR➣Unsatisfactory Business Relationship |
| UBR➣Unfocused Boss Rambling |
| UBR➣Unique Backup Requirement |