MSD

MSD may refer to:

• Macromolecular Structure Database, one of the services provided by the European Bioinformatics Institute
• Mahendra Singh Dhoni, Indian cricketer, wicketkeeper batsman
• Marine Sanitation Device
• Maryland School for the Deaf
• Mass spectrometric detector, a type of chromatography detector
• mass storage device, like a USB key
• Master of Science in Dentistry
• Master of Science by Dissertation, a research led Msc.
• Michael S. Dukakis, the 1988 U.S. Democratic Party nominee for President of the United States
• Master Scuba Diver, a certification level in recreational Scuba diving
• Mean Shortest Distance, in the context of the PGP Web of trust
• Mean square displacement, the scaling with time of the average of the displacement square of a random object (in physics, chemistry and related fields).
• Memory Stick Duo, a type of solid digital data storage device
• Merck Sharp and Dohme, aka Merck & Co., the U.S. and Canada pharmaceutical company spun off from the German Merck KGaA
• Metropolitan School District, an administrative unit in Indiana, U.S.
• Microsoft Diagnostics, a computer diagnostic program shipped with various versions of DOS and Microsoft Windows operating systems
• Ministry of Social Development, a New Zealand government agency
• Mission Science Division, a group of scientists, research fellows and young graduates working at the European Space Agency
• Mladí sociálni demokrati, the Slovakian Young Social Democrats
• Mobile Security Deployment, the U.S. Diplomatic Security Service's Special Ops/SWAT unit
• Modem Sharing Device
• Moorside railway station, England National Rail station code
• Moscow Summer Time
• Motor Sports Developments, an automotive engineering company based in Milton Keynes, England, UK
• Multi Stream Downloader
• Musculoskeletal disorders