MSM
- Department of Materials Science and Metallurgy, University of Cambridge
- Divine Ms. M
- Kevin MacLeod
- M. S. M. Anandan
- M. S. M. Aslam
- MSMS (disambiguation)
- Maastricht School of Management
- Madras and Southern Mahratta Railway
- Mainstream media
- Manhattan School of Music
- Mario Sports Mix
- Markov switching multifractal
- Marriott School of Management
- Master of Sacred Music
- Master of Science in Management
- Master-slave manipulator
- Matilda Smith
- Mechanically separated meat
- Men who have sex with men
- Mens Sana Monographs
- Mercator School of Management
- Merge Module
- Meritorious Service Medal (disambiguation)
- Method of simulated moments
- Methylsulfonylmethane
- Miami Sound Machine
- Militant Socialist Movement
- Mine setting mode
- Minnesota Streetcar Museum
- Missouri School of Mines and Metallurgy
- Mobile Station Modem
- Modern Standard Mandarin
- Morehouse School of Medicine
- Multi Screen Media
- Muscat Securities Market
- My Singing Monsters