ASA as an abbreviation or initialism may refer to:

Biology and medicine

Accessible surface area The accessible surface area (ASA) or solvent-accessible surface area (SASA) is the surface area of a biomolecule that is accessible to a solvent. Measurement of ASA is usually described in units of square angstroms (a standard unit of measuremen ...

of a biomolecule, accessible to a solvent *

Acetylsalicylic acid Aspirin () is the Generic trademark, genericized trademark for acetylsalicylic acid (ASA), a nonsteroidal anti-inflammatory drug (NSAID) used to reduce pain, fever, and inflammation, and as an antithrombotic. Specific inflammatory conditions ...

, aspirin * Advanced surface ablation, refractive eye surgery *

Anterior spinal artery In human anatomy, the anterior spinal artery is the artery that supplies the anterior portion of the spinal cord. It arises from branches of the vertebral arteries and courses along the anterior aspect of the spinal cord. It is reinforced by seve ...

, the blood vessel which supplies the anterior portion of the spinal cord * Antisperm antibodies, antibodies against sperm antigens *

Argininosuccinic aciduria Argininosuccinic aciduria is an inherited disorder that causes the accumulation of argininosuccinic acid (also known as "ASA") in the blood and urine. Some patients may also have an elevation of ammonia, a toxic chemical, which can affect the nerv ...

, a disorder of the urea cycle *

ASA physical status classification system The ASA physical status classification system is a system for assessing the fitness of patients before surgery. In 1963 the American Society of Anesthesiologists (ASA) adopted the five-category physical status classification system; a sixth categ ...

, rating of patients undergoing anesthesia

Education and research

African Studies Association of the United Kingdom The African Studies Association of the United Kingdom (ASAUK) formed in 1963 "to advance African studies, particularly in the United Kingdom, by providing facilities for the interchange of information and ideas and the co-ordination of activities ...

African Studies Association The African Studies Association (ASA) is a US-based association of scholars, students, practitioners, and institutions with an interest in the continent of Africa. Founded in 1957, the ASA is the leading organization of African Studies in North ...

* Alandica Shipping Academy, Åland Islands, Finland *

Albany Students' Association Massey University () is a public research university in New Zealand that provides internal and distance education. The university has campuses in Auckland, Palmerston North, and Wellington. Data from Universities New Zealand shows that in 2024 ...

, at Massey University, Auckland, New Zealand * Alexander-Smith Academy, in Houston, Texas *

Alpha Sigma Alpha Alpha Sigma Alpha () is a United States National Panhellenic sorority founded on November 15, 1901, at the Virginia State Female Normal School (later known as Longwood College and now known as Longwood University) in Farmville, Virginia. Once a ...

, U.S. national sorority *

American Society for Aesthetics American Society for Aesthetics (ASA) is a philosophical organization founded in 1942 to promote the study of aesthetics. The ASA sponsors national and regional conferences, and publishes the '' Journal of Aesthetics and Art Criticism'', the ' ...

, philosophical organization *

American Student Assistance American Student Assistance (ASA) is a national non-profit organization to help students make informed choices to achieve their education and career goals. It is headquartered in downtown Boston, Massachusetts. History American Student Assistance ...

, national non-profit organization *

American Studies Association The American Studies Association (ASA) is a scholarly organization devoted to the interdisciplinary study of American culture, U.S. culture and American history, history. It was founded in 1951 and claims to be the oldest scholarly organization d ...

Arizona School for the Arts Arizona is a state in the Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the northwest and California to the west, and s ...

Armenian Sisters Academy The Armenian Sisters Academy (ASA; ) is a Pre-K through eighth grade institution located in the Philadelphia, Pennsylvania suburb of Upper Merion Township, Pennsylvania, with a Radnor postal address. It is in proximity to Radnor Township. Its ...

Association of Social Anthropologists The Association of Social Anthropologists of the UK and Commonwealth is a learned society in the United Kingdom dedicated to promoting the academic discipline of social anthropology. It is a member of the Academy of Social Sciences The Academy ...

Astronomical Society of Australia The Astronomical Society of Australia (ASA) is the professional body representing astronomers in Australia. Established in 1966, it is incorporated in the Australian Capital Territory. Membership of the ASA is open to people "capable of contribut ...

Austrian Studies Association The Austrian Studies Association or ASA (formerly the Modern Austrian Literature and Culture Association or MALCA, with its journal ''Modern Austrian Literature'') continues traditions started in 1961 (originally the International Arthur Schnitzler ...

Organizations

Acoustical Society of America The Acoustical Society of America (ASA) is an international scientific society founded in 1929 dedicated to generating, disseminating and promoting the knowledge of acoustics and its practical applications. The Society is primarily a voluntary org ...

, international scientific society *

Advertising Standards Authority (disambiguation) Advertising Standards Authority may refer to: *Advertising Standards Bureau (Australia) * Advertising Standards Authority for Ireland * Advertising Standards Authority (New Zealand) * Advertising Standards Authority (South Africa) *Advertising Stan ...

, advertising regulators in several countries *

American Scientific Affiliation The American Scientific Affiliation (ASA) is a Christian religious organization of scientists and people in science-related disciplines. The stated purpose is "to investigate any area relating Christian faith and science." The organization publi ...

, an organization of Christians in science *

American Society of Agronomy The American Society of Agronomy (ASA) is a scientific and professional society of agronomists and scientists of related disciplines, principally in the United States but with many non-U.S. members as well. About It was founded December 13, 190 ...

American Society of Anesthesiologists The American Society of Anesthesiologists (ASA) is a professional association of physicians in the field of anesthesiology. As of 2024, the organization included more than 57,000 national and international members and has more than 100 full-tim ...

American Society of Appraisers American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, ...

American Sociological Association The American Sociological Association (ASA) is a non-profit organization dedicated to advancing the discipline and profession of sociology. Founded in December 1905 as the American Sociological Society at Johns Hopkins University by a group of fi ...

American Staffing Association The American Staffing Association (ASA) is the trade association representing the American staffing industry. It is headquartered in Alexandria, Virginia. History The American Staffing Association began in 1966 as the Institute of Temporary Se ...

American Standards Association The American National Standards Institute (ANSI ) is a private nonprofit organization that oversees the development of voluntary consensus standards for products, services, processes, systems, and personnel in the United States. The organiz ...

, a former name of the American National Standards Institute *

American Statistical Association The American Statistical Association (ASA) is the main professional organization for statisticians and related professionals in the United States. It was founded in Boston, Massachusetts, on November 27, 1839, and is the second-oldest continuous ...

American Synesthesia Association The American Synesthesia Association (ASA) is a not-for-profit academic and public society whose mission is to foster and promote the education and the advancement of knowledge of the phenomena of synesthesia, a neurological condition in which stim ...

Americans for Safe Access Americans for Safe Access (ASA), is a Washington, D.C., based advocacy organization working to ensure safe and legal access to medical Cannabis (drug), cannabis References

{{authority control Drug policy organizations based in the Uni ...

, marijuana law reform group *

Association for Social Advancement The Association for Social Advancement is a non-governmental organisation based in Bangladesh which provides microcredit financing. History The association was established in 1978 by Md. Shafiqual Haque Choudhury and a team of people who were t ...

, microfinance institution, Bangladesh *

Association for the Study of Abortion The Association for the Study of Abortion (ASA) was an American organization founded around 1965 dedicated to the study of abortion and advocacy for the liberalization of abortion law. Its founding members included the obstetrician-gynecologists ...

Association of Scouts of Azerbaijan The Association of Scouts of Azerbaijan (, ASA) the national Scouting organization of Azerbaijan, was founded in 1997, and became the 150th member of the World Organization of the Scout Movement on 20 August 2000. In 2017 it was admitted as a ful ...

Association of Southeast Asia The Association of Southeast Asia (ASA) was a regional organization established on July 31, 1961, in Bangkok, Thailand, by Malaya (now Malaysia), the Philippines, and Thailand. Its primary aim was to foster economic, social, cultural, and scient ...

* Australian Submarine Agency *

Australian Society of Authors The Australian Society of Authors (ASA) was formed in 1963 as the organisation to promote and protect the rights of Australia's authors and illustrators. The Fellowship of Australian Writers played a key role it its establishment. The organisati ...

Australian Space Agency The Australian Space Agency is an agency of the Australian Government responsible for the development of Australia's commercial aerospace industry, coordinating domestic space activities, identifying opportunities and facilitating internatio ...

Austrian Service Abroad The Austrian Service Abroad () is a non-profit organization funded by the Austrian government which sends young Austrians to work in partner institutions worldwide serving Holocaust commemoration in form of the Austrian Memorial Service, support ...

Autism Society of America The Autism Society of America (ASA) was founded in 1965 by Bernard Rimland together with Ruth C. Sullivan and a small group of other parents of autistic children. Its original name was the National Society for Autistic Children; the name was chang ...

United States Army Security Agency The United States Army Security Agency (ASA) was the United States Army's signals intelligence branch from 1945 to 1977. The Latin motto of the Army Security Agency was ''Semper Vigilis'' (Vigilant Always), which echoes the declaration, often ...

Sports

Agremiação Sportiva Arapiraquense Agremiação Sportiva Arapiraquense, commonly referred to as ASA de Arapiraca or ASA, is a Brazilian professional football club based in Arapiraca, Alagoas. It competes in the Série D, the fourth tier of Brazilian football, as well as in the C ...

, Brazilian soccer club *

Alliance Sport Alsace The Alliance Sport Alsace, simply known as ASA, is a French professional basketball club based in Souffelweyersheim and Gries. Founded in 2021, the team plays in the LNB Pro B The LNB Pro B, commonly known as Pro B, is the second-tier level me ...

, French basketball club *

Amateur Softball Association An amateur () is generally considered a person who pursues an avocation independent from their source of income. Amateurs and their pursuits are also described as popular, informal, self-taught, user-generated, DIY, and hobbyist. History H ...

, former name of the governing body now known as USA Softball *

Amateur Swimming Association Swim England is the national governing body for swimming, diving, water polo, open water swimming, and synchronised swimming in England. It forms part of Aquatics GB, a federation of the national governing bodies of England, Scotland ( Scottis ...

, former name of Swim England *

American Samoa American Samoa is an Territories of the United States, unincorporated and unorganized territory of the United States located in the Polynesia region of the Pacific Ocean, South Pacific Ocean. Centered on , it is southeast of the island count ...

, IOC country code *

American Speed Association The American Speed Association (ASA) is a sanctioning body of motorsports in the United States formed in 1968. The Association was based in Pendleton, Indiana, Pendleton, Indiana, and later in Daytona Beach, Florida. The ASA sanctioned asphalt a ...

, motorsports sanctioning body *

American Sportscasters Association The American Sportscasters Association (ASA) was founded in 1979 by broadcaster Dick London (Hanna) and associate attorney Harold Foner as a non-profit association to represent sportscasters by promoting and supporting the needs and interests of ...

* Arizona Soccer Association *

Athletics South Africa Athletics South Africa is the national governing body for the sport of athletics (including track and field, cross country, road running and racewalking) in South Africa, recognised by the IAAF, and also a member of Confederation of African At ...

, the national governing body for the sport of athletics in South Africa *

Atlético Sport Aviação Atlético Sport Aviação, best known as ASA, was a association football, football club from Luanda, Angola. The club was founded in 1953 by a group of workers from TAAG's predecessor DTA. Mr. Jacinto Medina was the first chairman. Before Ango ...

, Angolan multisports club *

United States Adult Soccer Association The United States Adult Soccer Association (USASA) is a national organization for Amateur sports, amateur Association football, soccer in the United States. It consists of 54 state associations in four regions, as well as national, regional, and ...

Transportation

ASA (automobile) ASA (''Autocostruzioni Società per Azioni'') was an Italian automobile manufacturer active from 1961 to 1969, who is known for manufacturing the ASA 1000 GT. This car was developed by Ferrari engineers in the late 1950s as a less expensive, compac ...

, Italian marque of automobiles (Autocostruzioni Società per Azioni) *

ASA Aluminium Body ASA Aluminium Body is an Argentinian company that produces exact re-builds of racing cars from the 1930s, 1940s and 1950s. The company is headquartered in Don Torcuato, a city in Tigre Partido. History In 1969 a company named ''Lotus Argentina'' ...

, Argentinian manufacturer of replicas of sports cars *

Aeropuertos y Servicios Auxiliares Aeropuertos y Servicios Auxiliares (ASA) is a Mexican Federal Government-owned company with its own equity capital and legal identity. It has its headquarters in Mexico City in Venustiano Carranza, Mexico City. It was set up in June 1965 to overs ...

, Mexican airport operator * African Safari Airways, airline company based in East Africa *

Air services agreement An air transport agreement (also sometimes called an air service agreement or ATA or ASA) is a bilateral agreement to allow international commercial air transport services between signatories. The bilateral system has its basis under the Chicago ...

, bilateral agreement to allow international commercial air transport services between signatories *

Atlantic Southeast Airlines Atlantic Southeast Airlines (ASA) was a regional airline in the United States based in the A-Tech Center in College Park, Georgia, flying to 144 destinations as a Delta Connection carrier on behalf of Delta Air Lines via a code sharing agre ...

, in Atlanta area, Georgia *

Airline Superintendents Association The Airline Superintendents Association is a trade union in Trinidad and Tobago with most of its members in the former airline of BWIA. It was one out of four unions recognized by BWIA, the other three being the Trinidad and Tobago Airline Pilots ...

, of Trinidad & Tobago *

Airservices Australia Airservices Australia is an Australian Government-owned corporation, responsible for providing services to the aviation industry within the Australian Flight Information Region (FIR). Some of Airservices Australia’s responsibilities includ ...

, air traffic management and related services provider for Australia * The International Civil Aviation Organization's code for

Alaska Airlines Alaska Airlines is a major American airline headquartered in SeaTac, Washington, within the Seattle metropolitan area. It is the fifth-largest airline in North America when measured by scheduled passengers carried, as of 2024. Alaska, togethe ...

Other

* ASA ("American Standards Association") a measure of

film speed Film speed is the measure of a photographic film's sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system introduced in 1974. A closely related system, also known as IS ...

in photography, later replaced by the ISO standard *

Acrylonitrile styrene acrylate Acrylonitrile styrene acrylate (ASA), also called acrylic styrene acrylonitrile, is an amorphous thermoplastic developed as an alternative to acrylonitrile butadiene styrene (ABS), that has improved weather resistance. It is an acrylate rubber-mo ...

, a thermoplastic used for 3D printing and in the auto industry * Adaptive simulated annealing, optimization algorithm *

Cisco ASA In computer networking, Cisco ASA 5500 Series Adaptive Security Appliances, or simply Cisco ASA, is Cisco's line of network security devices introduced in May 2005. It succeeded three existing lines of Cisco products: * Cisco PIX, which provided ...

(Adaptive Security Appliances) * Allied States of America, a fictional American nation in the television show ''Jericho'' *

Allmennaksjeselskap is the Norway, Norwegian term for a stock-based company. It is usually abbreviated AS, historically often written as A/S. An AS is always a limited company, i.e. the owners cannot be held Legal liability, liable for any debt beyond the stock ...

, the designation for a Norwegian public limited company *

Anti-Soviet agitation Anti-Soviet agitation and propaganda (ASA) () was a criminal offence in the Soviet Union. Initially, the term was interchangeably used with counter-revolutionary agitation. The latter term was in use immediately after the October Revolution of 1917 ...

, a criminal offense in the Soviet Union *

ASA carriage control characters ASA control characters are simple printing command characters used to control the movement of paper through line printers. These commands are presented as special characters in the first column of each text line to be printed, and affect how the pa ...

, a system used for controlling mainframe line printers * Assistant state's attorney, a title for attorneys working in the state's attorney's office in the United States *

As-salamu alaykum ''As-salamu alaykum'' (, ), also written ''salamun alaykum'' and typically rendered in English as ''salam alaykum'', is a greeting in Arabic that means 'Peace be upon you'. The (, meaning 'peace') has become a religious salutation for Muslims ...

, a greeting in

Arabic Arabic (, , or , ) is a Central Semitic languages, Central Semitic language of the Afroasiatic languages, Afroasiatic language family spoken primarily in the Arab world. The International Organization for Standardization (ISO) assigns lang ...

that means "peace be upon you" *

Auditory scene analysis In perception and psychophysics, auditory scene analysis (ASA) is a proposed model for the basis of auditory perception. This is understood as the process by which the human auditory system organizes sound into perceptually meaningful elements. Th ...