| Acronym | Definition |
|---|
| RDM | Red Mage (Final Fantasy, gaming) |
| RDM | Ronald D. Moore (sci-fi actor) |
| RDM | Ring Deutscher Makler (German Realty Association) |
| RDM | Remote Device Management (protocol used in theatre lighting equipment) |
| RDM | Relational Data Model |
| RDM | Résistance des Matériaux (French) |
| RDM | Rovescio della Medaglia (Italian band) |
| RDM | Recherches en Didactique des Mathématiques (French: Research in Mathematics Education) |
| RDM | Resource Data Management |
| RDM | Rivière du Mât (French wine and spirits company) |
| RDM | Red Drum (FAO fish species code) |
| RDM | Russian Doll Model (bandwidth allocation) |
| RDM | Resource Description Messages |
| RDM | Rupt-De-Mad (French radio station) |
| RDM | Rats de Marée (French band) |
| RDM | Raima Data Manager |
| RDM | Reservation Data Maintenance (India) |
| RDM | Réseau des Mécaniciens (French: Network Mechanics) |
| RDM | Reference Data Model |
| RDM | Raw Disk Map (VMware) |
| RDM | Radiation Design Margin |
| RDM | Remotely Delivered Mines |
| RDM | Random Death Match (video games) |
| RDM | Recruit Distribution Model |
| RDM | Réunionnais du Monde (French: World Reunion) |
| RDM | Relocation Design Memorandum (USACE) |
| RDM | Relative Distance Microdiscovery |
| RDM | Radon-Thoron-Daughter-Monitor |
| RDM | Regional Deployment Manager (various organizations) |
| RDM | Relations et Diffusion de la Musique (French: Music Relations and Distribution) |
| RDM | Requirements Decision Memorandum (system engineering / requirements development) |
| RDM | Responsible Division Manager |
| RDM | Roll Drive Motor |
| RDM | Residue-Division Multiplexing |
| RDM | Reduced Density Matrix (physics) |
| RDM | Radiation Detection and Measurement |
| RDM | Reichle & De-Massari (cabling specialist; Switzerland) |
| RDM | Restaurant Department Management |
| RDM | Rich Domain Model |
| RDM | Research Development Manufacturing (various organizations) |