MSD

MSD may refer to:

Companies

• Merck Sharp and Dohme, also known as Merck & Co., the U.S. and Canada pharmaceutical company spun off from the German Merck KGaA
• Motor Sports Developments, an automotive-engineering company based in Milton Keynes, United Kingdom; see X25XE
• MSD Ignition, a company that specializes in automotive-ignition components; MSD stands for "multiple spark discharge"

Schools and school districts

• Marshall School District in Marshall, Arkansas, United States
• Maryland School for the Deaf
• Milford School District, a school district in Milford, Delaware, United States
• Moscow School District in Moscow, Idaho, United States
• Marjory Stoneman Douglas High School, a school in Parkland, Florida, United States

Other organizations

• Brazilian Ministry of Social Development
• Metro de Santo Domingo, a rapid-transit system in Santo Domingo, the capital of the Dominican Republic
• Ministry of Social Development (New Zealand)
• Mission Science Division, a group of scientists, research fellows and young graduates working at the European Space Agency
• Mladí sociální demokraté or Young Social Democrats (Czech Republic), a social democratic youth organization in the Czech Republic
• Mladí sociálni demokrati or Young Social Democrats (Slovakia), a social democratic youth organization in Slovakia
• Mobile Security Deployment, the U.S. Diplomatic Security Service's Special Ops/SWAT unit
• MSD (Межправительственный совет дорожников) or Intergovernmental Council of Roads, the road authority organisation of the Commonwealth of Independent States
• Micro Software Designs Ltd, is a Trinidad & Tobago based, medium-sized, software solutions provider for the financial services sector
• Meclîsa Sûriya Demokratîk or Syrian Democratic Council, the political wing of the Syrian Democratic Forces in Syria

Other

• Macromolecular Structure Database, one of the services provided by the European Bioinformatics Institute
• Major Somnolence Disorder, in the DSM-5; redirects to Idiopathic hypersomnia
• Marine Sanitation Device
• Mars Solar Date
• Mass spectrometric detector, a type of chromatography detector
• Mass storage device, like a USB key
• Mass Service Disruption
• Master of Science by Dissertation, a research-led Master of Science
• Master Scuba Diver, a certification level in recreational scuba diving
• Mean Shortest Distance, in the context of the PGP Web of trust
• Mean squared displacement (also: mean square displacement), a statistical measure of random motion
• Memory Stick Duo, a type of solid digital data storage device
• Microsoft Diagnostics, a computer diagnostic program shipped with various versions of DOS and Microsoft Windows operating systems
• Typing#Minimum string distance error rate, a number of insertions, deletions, or substitutions to transform one string into another
• Modem Sharing Device
• Moorside railway station, England National Rail station code
• Moscow Summer Time
• Most significant digit
• MSD Super Disk, a floppy-disk drive for Commodore 8-bit systems
• Multiple Sulfatase Deficiency, a very rare form of metachromatic leukodystrophy
• Musculoskeletal disorders
• Master of Science in Dentistry

People

• Mahendra Singh Dhoni (born 1981), Indian cricketer and former captain, 2007-2017
• Michael S. Dukakis, the 1988 U.S. Democratic Party nominee for President of the United States
• Michael Saul Dell, American businessman and founder of Dell Technologies