MSD

MSD may refer to:

Organizations

Merck Sharp and Dohme, also known as Merck & Co., the U.S. and Canada pharmaceutical company spun off from the German Merck KGaA
Meso Scale Discovery
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"

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 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

Macromolecular Structure Database, one of the services provided by the European Bioinformatics Institute
Marine Sanitation Device
Mars Solar Date
Mass spectrometric detector, a type of chromatography detector
Mass storage device, like a USB key
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
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
Musculoskeletal disorders

Mahendra Singh Dhoni (born 1981), Indian cricketer
Michael S. Dukakis, the 1988 U.S. Democratic Party nominee for President of the United States