MSR

MSR may refer to:

Science and technology

• Magnetic stripe reader, a device used to read magnetic stripe cards such as credit cards
• M–sigma relation, in astrophysics
• Mars sample return mission, a spaceflight mission to return rock and dust samples collect from Mars
• Medium source rare-earth, a variant of hydrargyrum medium-arc iodide lamp
• Mirror self-recognition, in animals through the mirror test
• Molten salt reactor, an advanced nuclear reactor design

Computing

• Machine state register, a register used in PowerPC architectures
• Model-specific register, a feature in Intel x86 and x86-64 processor architectures
• Microsoft Reserved Partition, a space-management partition on a computer storage device
• Mining software repositories, a field that analyzes the rich data available in software repositories

Entertainment

• MSR Studios, a New York recording studio
• The Most Serene Republic, a Canadian indie rock band
• Metropolis Street Racer, a Dreamcast racing game
• Mid-season replacement, a television series that premieres in the second half of a traditional season
• Mulder Scully Romance, the relationship of the main characters of the television series The X-Files

Organizations

• Microsoft Research, the research division of Microsoft
• Mountain Safety Research, a company specializing in outdoor equipment
• Mouvement social révolutionnaire, the French fascist party Revolutionary Social Movement
• Movimiento Social Republicano, the Republican Social Movement political party in Spain
• MSR - The Israel Center for Medical Simulation, Israeli institute for Simulation-Based Medical Education

Places

• Most Serene Republic, a title in the name of various countries
• Montserrat (ISO 3166-1 code)

Transportation

• Michigan Shore Railroad, US
• Muar State Railway, a railway operating in the Johor Sultanate, British Malaya
• Maserati, a luxury sports car company
• EgyptAir (ICAO airline code)
• Muş Airport (IATA airport code)
• Mumbai Suburban Railway, railways service based in Mumbai
• Main supply route, a military operations supply route

Other uses

• Marine Scientific Research, a term describing activities under UNCLOS
• Market Stability Reserve, a part of the European Union Emission Trading Scheme
• Milan–San Remo, an annual bicycle race
• Modern sporting rifle, a class of semi-automatic firearms
• Modular Sniper Rifle, a sniper rifle produced by Remington Arms
• Magnum Sniper Rifle, the alternate name of a bolt-action sniper rifle designed and manufactured by the British company Accuracy International.
• Mortgage servicing rights, the rights to collect mortgage payments from a borrower for the benefit of the lender