MDM
- Democratic Movement of Mozambique
- Disinformation
- M-D-Emm
- MDM Bank
- MDM Hotel
- MDM Motorsports
- MDM Observatory
- MDM-1 Fox
- Malinformation
- Mario Del Monaco
- Master data management
- Mayogo language
- Mdm2
- Mechanically deboned meat
- Medicine
- Melodic death metal
- Mere Dead Men
- Metadata management
- Meter data management
- Misinformation
- Mobile device management
- Modern Drunkard
- Moi dix Mois
- Movement for a Democratic Military
- Multiple drafts model
- Multiplexer-demultiplexer
- My Dear Melancholy
- Médecins du Monde
- Portal of Medical Data Models
- United Democratic Front (South Africa)