| Acronym | Definition |
|---|
| UDM | University of Detroit Mercy (Michigan) |
| UDM | Universiti Darul Iman Malaysia (Malaysian university) |
| UDM | Unified Dimensional Model (data model) |
| UDM | Université De Montréal |
| UDM | Universal Driver Model |
| UDM | User Database Manager |
| UDM | User Defined Module |
| UDM | Universal Device Manager |
| UDM | United Democratic Movement (South Africa) |
| UDM | User Data Management (various companies) |
| UDM | Universal Data Model |
| UDM | Union of Democratic Mineworkers (UK) |
| UDM | Unit Deployment Manager |
| UDM | Unstructured Data Management |
| UDM | Universal Diagnostic Monitor |
| UDM | Uniform Distance Matrix |
| UDM | User Defined Message |
| UDM | Unified Dispersion Model |
| UDM | Uniform Data Model |
| UDM | Unsolicited Direct Mail (aka spam) |
| UDM | User Data Module |
| UDM | Unsymmetrical Dimethylhydrazine |
| UDM | United Digital Memory |
| UDM | Unpressurized Docking Mast |
| UDM | Unter Dem Meeresspiegel (German: Below Sea Level) |
| UDM | Universal Database for Music Ltd. (UK) |
| UDM | Urban Dispersal Model (JFCOM/DTRA) |
| UDM | Utilities Database Management |
| UDM | úcelové digitálne mapy |
| UDM | Ultimate Dance Music Ltd. (UK) |
| UDM | Unscheduled Depot Maintenance |