MSA

MSA or M.S.A. may refer to:

Organizations and businesses

China Maritime Safety Administration, a PRC Coast Guard
Maritime Safety Agency, now the Japan Coast Guard
Indonesian Maritime Security Agency
Pakistan Maritime Security Agency
Mutual Security Agency, established by the U.S. Mutual Security Act (1951), and distributed aid to Europe after the Marshall Plan
Myanmar Space Agency

Mariological Society of America, a society for the study of Mary, mother of Jesus
Metaphysical Society of America, a society promoting the study of philosophy and metaphysics
Microscopy Society of America, a society for the promotion of microscopy
Mineralogical Society of America, an organization for the advancement of mineralogy
Mycological Society of America, a society promoting the study of fungi

Malaysia–Singapore Airlines, the former name for Singapore Airlines and Malaysia Airlines
Masonic Service Association, a Freemasonry publishing resource
Master service agreement, a master agreement defining services to be delivered
Mine Safety Appliances, a manufacturer of industrial safety clothing and equipment
ICAO code for Poste Air Cargo

Maine Snowmobile Association, the snowmobile association of Maine
Manchester Society of Architects, a professional society for architects in the Greater Manchester area, United Kingdom
Motor Sports Association, the governing body for motorsport in the United Kingdom
Mad Science Alliance, a fictional organization in and the working title of the 2008 role-playing game Monster Lab
Movement for the Salvation of Azawad

Master of Advanced Studies in Sports Administration, a sports management degree
Master of Accountancy, an accounting degree
Master of Science in Administration, a degree providing preparation for administrative positions

Mackintosh School of Architecture, an architecture school in Glasgow, Scotland
Manchester School of Architecture, an architecture school in Manchester, England
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
Montessori School of Anderson, a private school in Anderson, South Carolina
MSA Mutfak Sanatlari Akademisi, a culinary arts institute in Istanbul, Turkey
Modern Sciences and Arts University, a university in October City, Egypt
Muslim Students' Association, a group dedicated to Islamic societies on college campuses in Canada and the United States

5-Methoxysalicylic acid, a chemical compound used as a matrix in MALDI mass spectrometry
Mannitol salt agar, an agar used in microbiology
Measurement system 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)

Message submission agent, a computer program used when sending email
Microsoft Access, a database management system
Microsoft account, a single sign-on web service
Mobile Service Architecture, a combination of Java ME extensions
Multi-source agreement, an agreement between multiple manufacturers to make products which are compatible across vendors
Measurement system analysis, in quality management a specially designed experiment that seeks to identify the components of variation in the measurement
Microservice architecture, Considered by some as a variant of the service-oriented architecture (SOA), it is a method of developing software applications as a suite of independently deployable, small, modular services

WAGR Msa class, a class of steam locomotive of the Western Australian Government Railways
Minimum safe altitude, used for safely navigating aircraft over terrain or large structures
Motorway service area, a public rest area
Muskrat Dam Airport, an airport at Muskrat Dam, Ontario, Canada (IATA code)

Magnuson-Stevens Act, common alternate abbreviation of 1976 Magnuson–Stevens Fishery Conservation and Management Act (MSFCMA)
Mainland Southeast Asia linguistic area, a sprachbund in Southeast Asia
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
Meritorious Service Award, an award of the Civil Air Patrol in the United States
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
Modern Standard Arabic, also known as Literary Arabic, the standard and literary variety of Arabic used in writing and in most formal speech
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