MDR
- Andhra Pradesh
- Desert Tech MDR
- List of French expressions in English
- M. D. Ramanathan
- MD (disambiguation)
- MDR1
- MDRA (disambiguation)
- MRD (disambiguation)
- Main development region
- Managed detection and response
- Mandar language
- Massive Data Repository
- Medical device reporting
- Memory data register
- Merchant discount rate
- Metadata registry
- Metadata repository
- Mini D ribbon
- Mitteldeutscher Rundfunk
- Moldavian Democratic Republic
- Motion detection
- Movement for Democracy and Reconstruction
- Multifactor dimensionality reduction
- Multiple drug resistance
- Regulation (EU) 2017/745
- Republican Democratic Movement
- Single use medical device reprocessing
- Sony MDR-V6