MDF
- Association for Standardisation of Automation and Measuring Systems
- Glossary of golf
- Health Level 7
- Hungarian Democratic Forum
- Logical partition
- Main distribution frame
- Map-dot-fingerprint dystrophy
- Maraland Democratic Front
- Market development funds
- Maryland Deathfest
- Maryland Defense Force
- Media Descriptor File
- Medium-density fibreboard
- Microsoft SQL Server
- Moksha language
- Moscow House of Photography
- Multidelay block frequency domain adaptive filter
- Myocardial depressant factor
- Myotonic Dystrophy Foundation