MSR

MSR may refer to:

In technology:

• Machine state register, a feature in Intel x86 and x86-64 computer processors
• Magnetic Stripe Reader, a device used read magnetic stripe cards such as credit cards
• Mars Sample Return Mission, a planned spaceflight mission
• Microsoft Research, the research division of Microsoft
• Microsoft Reserved Partition, a space-management partition on a computer storage device
• Model-specific register, a processor register present in some processor models
• Molten salt reactor, an advanced nuclear reactor design
• Medical grade silicone rubber, a type of rubber used in medicine

• Mitigation Strategy Report, a document on reducing security exposures in software
• Multi-Service Router, a class of network routers

In entertainment:

• MSR Studios, a New York recording studio
• The Most Serene Republic, a Canadian indie rock band
• Metropolis Street Racer, a Dreamcast racing game

In politics:

• Mouvement social révolutionnaire, a French fascist party
• Movimiento Social Republicano, a neo-fascist political party in Spain

In transportation:

• Michigan Shore Railroad
• Muar State Railway, a railway operating in the Johor Sultanate, British Malaya
• MSR, the ICAO airline code for EgyptAir

Other uses:

• Main Supply Route, a military operations supply route
• Milan – San Remo, an annual bicycle race
• Most Serene Republic, a title in the name of various countries
• Mountain Safety Research, a company specializing in outdoor equipment
• MSR, the FIFA and ISO 3166-1 code for Montserrat
• Marine Scientific Research, a term describing activities under UNCLOS