| MDR | Maarten de Rijke 
| Others |
| MDR | Macular Degeneration Research
| Others |
| MDR | Magnetic Diagnostic Resources
| Others |
| MDR | Maiden Dirt Route
| Others |
| MDR | Main Distribution Room
| Others |
| MDR | Main Document Register
| Others |
| MDR | Main Supply Rout
| Others |
| MDR | Maintenance Data Recorder
| Others |
| MDR | Maintenance Demand Rate
| Others |
| MDR | Major Design Review
| Others |
| MDR | Major District Road
| Others |
| MDR | Managed Detection and Response
| Others |
| MDR | Management Data Repository
| Others |
| MDR | Mandatory Declassification Review
| Others |
| MDR | Mandatory Medical Device Reporting
| Others |
| MDR | Manifest Discrepancy Report
| Others |
| MDR | Manifestation Determination Review
| Others |
| MDR | Manorial Document Register
| Others |
| MDR | Manufacturer's Data Report
| Others |
| MDR | Marc Dirk Russel
| Others |
| MDR | Marcel Dettmann Records
| Others |
| MDR | Market Data Retrieval
| Others |
| MDR | Market Development Representatives
| Designation / Rank |
| MDR | Marketing that Delivers Results
| Others |
| MDR | Mass Data Reporting
| Others |
| MDR | Mass Distribution Ratio
| Others |
| MDR | Master Data Record
| Others |
| MDR | Master Document Register
| Others |
| MDR | Maximum Detectable Rigidity
| Others |
| MDR | Median Duration Of Response
| Others |
| MDR | Medical Device Report
| Others |
| MDR | Medical Device Reporting
| Others |
| MDR | Medical Doctors Research
| Others |
| MDR | Medium Data Rate
| Others |
| MDR | Medium Dose Rate
| Others |
| MDR | Medium Dynamic Range
| Others |
| MDR | Mekong Delta Region
| Others |
| MDR | Memories, Dreams, Reflections
| Others |
| MDR | Memory Data Register
| Others |
| MDR | Memory Disk Register
| Others |
| MDR | Memory drum register
| Others |
| MDR | Menage Du Ra
| Others |
| MDR | Merchant Discount Rate
| Others |
| MDR | Message Detail Record
| Others |
| MDR | Meta Data Registries
| Others |
| MDR | Meta Data Repository
| Others |
| MDR | Micro Dynamic Rifle
| Others |
| MDR | Microdrive file (ZX Spectrum emulator)
| Others |
| MDR | MIDAS (Maximum Integrated Data Acquisition System) Data Recorder
| Others |
| MDR | Middle Distance Relationship
| Others |
| MDR | Middle Distance Runner
| Others |
| MDR | Milestone Decision Review
| Others |
| MDR | miltidrug-resistant
| Others |
| MDR | Mine-Detection Rat
| Others |
| MDR | Mini Delta Ribbon
| Others |
| MDR | Mini Disc Recorder
| Others |
| MDR | Miniatures Driving and Riding
| Others |
| MDR | Minimum Daily Requirement
| Others |
| MDR | Minimum Decompression Rules
| Others |
| MDR | Minor Discrepancy Repair
| Others |
| MDR | Missing Data Report
| Others |
| MDR | Mission Data Reduction
| Others |
| MDR | Mixed Dry Recyclables
| Others |
| MDR | Mobile Digital Recorder
| Others |
| MDR | Modular Data Router
| Others |
| MDR | Mojave Desert Race
| Others |
| MDR | Mojave Desert Racing
| Others |
| MDR | Mojave Desert Racing, Incorporated
| Others |
| MDR | Monthly Director's Review
| Others |
| MDR | Mort De Rire
| Others |
| MDR | Mortgage Default Rate
| Others |
| MDR | Most Dangerous Receiver
| Others |
| MDR | Motor Driven Roller
| Others |
| MDR | Mountain District Rodders
| Others |
| MDR | Movement for Democratic Renewal
| Others |
| MDR | Multi Channel Data Recorder
| Others |
| MDR | Multi Decrypt Receiver
| Others |
| MDR | Multi Drug Resistance
| Others |
| MDR | Multi-Drug Resistance
| Others |
| MDR | Multi-Drug Resistant
| Others |
| MDR | multi-drug resistant/ce
| Others |
| MDR | multidrug-resistant
| Others |
| MDR | Multifactor Dimensionality Reduction
| Others |
| MDR | Multimedia Data Retrieval
| Others |
| MDR | Multiple Disease Resistance
| Others |
| MDR | Multiple Drug Resistant
| Others |
| MDR | Multiservices Dynamic Reservation
| Others |
| MDR | Music Deserves Respect
| Others |