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 measurement ...

of a biomolecule, accessible to a solvent *

Acetylsalicylic acid Aspirin, also known as acetylsalicylic acid (ASA), is a nonsteroidal anti-inflammatory drug (NSAID) used to reduce pain, fever, and/or inflammation, and as an antithrombotic. Specific inflammatory conditions which aspirin is used to treat ...

, aspirin *

Advanced surface ablation Photorefractive keratectomy (PRK) and laser-assisted sub-epithelial keratectomy (or laser epithelial keratomileusis) (LASEK) are laser eye surgery procedures intended to correct a person's vision, reducing dependency on glasses or contact lenses ...

, 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 sever ...

, 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 nervo ...

, 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 ( mi, Te Kunenga ki Pūrehuroa) is a university based in Palmerston North, New Zealand, with significant campuses in Albany and Wellington. Massey University has approximately 30,883 students, 13,796 of whom are extramural o ...

, 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 sor ...

, 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 Aesthetics, or esthetics, is a branch of philosophy that deals with the nature of beauty and taste, as well as 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 Assistanc ...

, national non-profit organization *

American Studies Association The American Studies Association (ASA) is a scholarly organization founded in 1951. It is the oldest scholarly organization devoted to the interdisciplinary study of U.S. culture and history. The ASA works to promote meaningful dialogue about t ...

Arizona School for the Arts Arizona School for the Arts is a non-profit public charter school in Phoenix, Arizona. Emphasis is placed on a college preparatory curriculum and the performing arts. Its mascot is a one-legged pigeon named Stumpy. History It was founded in 1 ...

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

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 o ...

* Astronomical Society of Australia *

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 Stand ...

, advertising regulators in several countries *

Aid to Southeast Asia Aid to Southeast Asia (ASA) is a humanitarian organization, providing help for the countries of Southeast Asia (mainly, Vietnam) on a people-to-people basis, aiming to strengthen world peace and respect for human rights. It was established in 1989 ...

, a non-governmental organization *

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 an educational, research and scientific association of physicians organized to raise the standards of the medical practice of anesthesiology and to improve patient care. As of 2021, the organizat ...

American Society of Appraisers The American Society of Appraisers (ASA) is an American nonprofit organization which serves as a professional affiliation of appraisers of all disciplines. The organization is the largest multi-discipline, voluntary membership, trade association ...

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 fif ...

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 non-profit organization that oversees the development of voluntary consensus standards for products, services, processes, systems, and personnel in the United States. The organ ...

, 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 continuousl ...

* American Synesthesia Association *

Americans for Safe Access Americans for Safe Access (ASA), based in Washington, D.C., is a member-based organization working to ensure safe and legal access to cannabis for therapeutic uses and research. Americans for Safe Access works in partnership with local, state, an ...

, marijuana law reform group *

Association for Social Advancement Association may refer to: *Club (organization), an association of two or more people united by a common interest or goal * Trade association, an organization founded and funded by businesses that operate in a specific industry * Voluntary associat ...

, 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 Al ...

Association of Scouts of Azerbaijan The Association of Scouts of Azerbaijan ( az, Azərbaycan Skautlar Assosiasiyası), (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 Augu ...

* Association of Southeast Asia *

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 under the Australian Government responsible for the development of Australia's commercial space industry, coordinating domestic activities, identifying opportunities and facilitating international spac ...

Austrian Service Abroad The Austrian Service Abroad is a non-profit organization founded by Andreas Hörtnagl, Andreas Maislinger and Michael Prochazka in 1998, which sends young Austrians to work in partner institutions worldwide serving Holocaust commemoration in for ...

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

United States Army Security Agency The United States Army Security Agency (ASA) was the United States Army's signals intelligence branch from 1945 to 1976. The Latin motto of the Army Security Agency was ''Semper Vigiles'' (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 2nd-tier level men's ...

, 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 ...

, 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 British Swimming, a federation of the national governing bodies of England, Scotland ...

, former name of Swim England *

American Sailing Association The American Sailing Association is the predominant standards bearer and codifier in the arena of recreational sailing education in the Americas. The organization was founded in 1983 by television producer Lenny Shabes who felt there was no recogn ...

American Samoa American Samoa ( sm, Amerika Sāmoa, ; also ' or ') is an unincorporated territory of the United States located in the South Pacific Ocean, southeast of the island country of Samoa. Its location is centered on . It is east of the Internatio ...

, 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, and later in Daytona Beach, Florida. The ASA sanctioned asphalt and dirt tracks ...

, 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 The Arizona Soccer Association (ASA), also known as the Arizona Youth Soccer Association (AYSA), is a nonprofit organization which was founded in 1974. The organization's goals are to promote the physical, mental and emotional growth and developm ...

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 Ath ...

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

Atlético Sport Aviação Atlético Sport Aviação, best known as ASA, is a 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 Angola's independence, the c ...

, Angolan multisports club *

United States Adult Soccer Association The United States Adult Soccer Association (USASA) is a national organization for amateur soccer in the United States. It consists of 55 state organizations as well as national, regional and state leagues. The National Premier Soccer League, NI ...

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, comp ...

, Italian marque of automobiles (Autocostruzioni Società per Azioni) * ASA Aluminium Body, Argentinian manufacturer of replicas of sports cars *

Aeropuertos y Servicios Auxiliares Aeropuertos y Servicios Auxiliares (ASA) is a Mexican Federal Government-owned corporation 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 ...

, 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 U.S. airline 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 agreement and, as o ...

, in Atlanta, 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. See also * List of trade unions This is a list of trade unions and union federations by country. Inte ...

, of Trinidad & Tobago *

Airservices Australia Airservices Australia is an Australian Government owned corporation, responsible for providing safe, secure, efficient and environmentally responsible services to the aviation industry within the Australian Flight Information Region (FIR). S ...

, 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 sixth largest airline in North America when measured by fleet size, scheduled passengers carried, and the num ...

Other

* ASA, 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. A closely related ISO system is used to describe the relation ...

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), but with improved weather resistance, and is widely used in the a ...

, a plastic polymer * 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 popular Cisco products: * Cisco PIX, which pro ...

(Adaptive Security Appliances) *

Allied States of America ''Jericho'' is an American post-apocalyptic action drama television series, which centers on the residents of the fictional city of Jericho, Kansas, in the aftermath of a nuclear attack on 23 major cities in the contiguous United States. It wa ...

, a fictional American nation in the television show ''Jericho'' *

Allmennaksjeselskap ''Aksjeselskap'' is the 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 liable for any debt beyond the stock capital. ...

, the designation for a Norwegian public limited company *

Anti-Soviet agitation Anti-Soviet agitation and propaganda (ASA) (russian: антисове́тская агита́ция и пропага́нда (АСА)) was a criminal offence in the Soviet Union. To begin with the term was interchangeably used with counter-revol ...

, a criminal offense in the Soviet Union * ASA carriage control characters, 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 ( ar, ٱلسَّلَامُ عَلَيْكُمْ, , ), also ''Salamun Alaykum'' is a greeting in Arabic that means 'Peace be upon you'. The (, meaning 'peace') has become a religious salutation for Muslims worldwide when gre ...

, a greeting in

Arabic Arabic (, ' ; , ' or ) is a Semitic language spoken primarily across the Arab world.Semitic languages: an international handbook / edited by Stefan Weninger; in collaboration with Geoffrey Khan, Michael P. Streck, Janet C. E.Watson; Walter ...

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 ...

, a proposed model for the basis of auditory perception