MSA

MSA may refer to:

Organisations and businesses

• Malaysia-Singapore Airlines, the former name for Singapore Airlines and Malaysia Airlines
• China Maritime Safety Administration, a PRC Coast Guard
• Maritime Safety Agency, now the Japan Coast Guard
• Maritime Security Agency, aka the Pakistan Coast Guard
• Masonic Service Association, a Freemasonry publishing resource
• Microscopy Society of America, a society for the promotion of microscopy
• Mine Safety Appliances, a manufacturer of industrial safety clothing and equipment
• Mineralogical Society of America, an organization for the advancement of mineralogy
• Motor Sports Association, the governing body for motorsport in the United Kingdom
• Mutual Security Agency, established by the US Mutual Security Act (1951), and distributed aid to Europe after the Marshall Plan
• Mycological Society of America, a society promoting the study of fungi

Education

Degree

• Master of Accountancy, an accounting degree
• Master of Science in Administration, a degree providing preparation for administrative positions

School

• Manchester School of Architecture, an architecture school in Manchester, England
• Maryland School of the Arts, a fictional dance school in the film Step Up
• Middle States Association of Colleges and Schools, an evaluation and accreditation association
• Minnesota Math and Science Academy, a school in Minnesota
• Mississippi School of the Arts, a high school in Brookhaven, Mississippi
• Missouri Scholars Academy, a summer program at the University of Missouri
• Modern Sciences and Arts University, a university in October City, Egypt
• Monash Student Association, the student government association of Monash University, Melbourne, Australia
• Muslim Students' Association, a group dedicated to Islamic societies on college campuses in Canada and the United States

Science and medicine

• Mannitol salt agar, an agar used in microbiology
• Measurement systems analysis, the analysis of the process of obtaining measurements
• Methanesulfonic acid, an organic sulfonic acid
• Middle Stone Age, a period of African prehistory
• Multiple sequence alignment, an alignment of three or more biological sequences
• Multiple system atrophy, a degenerative neurological disorder
• Multiscale approximation or multiresolution analysis
• Morphosyntactic alignment (linguistics)

Technology

• Mail submission agent, a computer program used when sending email
• Microsoft Access, a database management system
• Mobile Service Architecture, a combination of Java ME extensions
• Master service agreement or master contract, a master agreement defining services to be delivered

Transportation

• MSA Garratt, a steam engine class of the Western Australian Government Railways
• Motorway service area, a public rest area
• Muskrat Dam Airport, an airport at Muskrat Dam, Ontario, Canada (IATA code)

Other

• Malay language, in the ISO 639-2 and ISO 639-3 language code
• Mapping Services Agreement, a licensing contract between local authorities in the United Kingdom and suppliers of geographic data
• Matthew Shepard Act, 2009 United States federal hate-crime legislation
• Market Square Arena, an indoor arena in Indianapolis, Indiana demolished in 2001
• Medical savings account, a tax-deferred deposit account for medical expenses
• Metropolitan Statistical Area, a geographical area associated with an urban area of 50,000 people or more, as defined by the United States Office of Management and Budget
• United States Micropolitan Statistical Area, a geographical area associated with an urban area of 10,000 to 49,999 people, as defined by the United States Office of Management and Budget
• Minimum safe altitude, used for safely navigating aircraft over terrain or large structures
• Modern Standard Arabic, the variety of Arabic
• Tobacco Master Settlement Agreement, an agreement reached between U.S. States and major tobacco companies
• MSA Kyotei, a Japanese abbreviation in reference to U.S. and Japan Mutual Defense Assistance Agreement