| Acronym | Definition |
|---|
| UDR➣User Data Repository |
| UDR➣Universita di Roma (Italian: University of Rome; Italy) |
| UDR➣Ulster Defence Regiment |
| UDR➣Udaipur, India (Airport Code) |
| UDR➣Union des Démocrates pour la République (French: Union of Democrats for the Republic; 1971-1976; France) |
| UDR➣Union for Democracy and Republic (Republic of the Congo) |
| UDR➣Ultra Data Rate |
| UDR➣UART Data Register |
| UDR➣Universal Data Repository |
| UDR➣Urgent Data Request |
| UDR➣User Data Record |
| UDR➣Union Démocratique Ruraliste (French: Ruralist Democratic Union; Brazil) |
| UDR➣User Defined Report |
| UDR➣Usage Detail Record (mobile IP network usage accounting) |
| UDR➣Urban Desire Radio |
| UDR➣Universal Data Representation |
| UDR➣Underwriters Digital Research, Inc. |
| UDR➣Upside Downside Ratio |
| UDR➣User Desired Requirement |
| UDR➣Undisclosed/Undiscovered Driver Report (insurance) |