As

As, AS, A. S., A/S or similar may refer to:

Art, entertainment, and media

A. S. Byatt (born 1936), English critic, novelist, poet and short story writer
Adult Swim, a programming block on Cartoon Network
Akademiska Sångföreningen, an academic male voice choir of Helsinki, Finland
As (newspaper), a Spanish sports newspaper
"As" (song), by Stevie Wonder
As, a 1896 novel by Adolf Dygasiński
As the Dog, a sculpture in Warsaw, Poland

Business legal structures

Akciová společnost (a.s.), a Czech form of joint-stock company
Akciová spoločnosť (a.s.), a Slovak form of joint-stock company
Aktieselskab or A/S, a type of Danish stock-based company
Aksjeselskap or AS, a type of Norwegian stock-based company

Businesses and organizations

Sports teams and leagues

A.S. Roma, an Italian football club
Amateurliga Saarland, highest football league in the state of Saarland (defunct)
KK AS Basket, a Serbian basketball club
Athletics (baseball), an American baseball team referred to as the A's

Transportation companies

Alaska Airlines, IATA airline designator
- Hawaiian Airlines, IATA airline designator that began in 2025 as part of merger with Alaska Airlines
Voiturettes Automobiles A.S., a French-based car manufacturer in 1920s
Towarzystwo Budowy Samochodów AS, a Poland-based car manufacturer in 1920s and 1930s

Other organizations

Academia Sinica, the national academy of Taiwan
Armée secrète (Belgium), a World War II resistance organization
Armée secrète, a French resistance organization
Akademiska Sångföreningen, an academic male voice choir of Helsinki, Finland
United List (Apvienotais saraksts), Latvian political party

Vehicles

AS Type A2, a sports car manufactured by Voiturettes Automobiles A.S.
AS S1 and AS S2, a passenger car manufactured by Towarzystwo Budowy Samochodów AS
Submarine tender (AS), a hull classification symbol for a kind of US Navy auxiliary ship

Academia

Academia Sinica, the national academy of Taiwan
AS-level (disambiguation)
Associate of Science, an American academic degree

Language

As language, a language of West Papua, Indonesia
Assamese language of India (ISO 639-1 code "as")
As (cuneiform), a written character
Aš (cuneiform), a written character

Mathematics, science and technology

Computing

as (Unix), an assembler program
.as, the Internet country code top-level domain for American Samoa
ActionScript, for Flash and Flex applications
Autonomous system (Internet), a collection of IP routing prefixes
Application server, a computer running back-end software
The type conversion operator as, used in C# and Rust

Health and medicine

Angelman syndrome, a neuro-genetic disorder
Ankylosing spondylitis, a type of spinal arthritis
Aortic stenosis, a valvular heart disease
Asparagine synthase (glutamine-hydrolysing), an enzyme
Asperger syndrome, a psychological diagnosis
Auricular splint, a custom-made medical device used as part of ear surgery

Natural sciences

Altostratus, a kind of cloud
Arsenic, a chemical element
Tropical savanna climate

Units of measurement

Arcsecond, 1⁄3600 of a degree, a unit of angular measurement
Attosecond (as), 10⁻¹⁸ second, a subunit of time
Attosiemens (aS), 10⁻¹⁸ siemens, a subunit of electric conductance

Other uses in mathematics, science and technology

Abramowitz and Stegun, an informal name for the 1964 Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables
Aggregate supply, in economics, the total supply of goods
Almost surely, in probability theory

Places

Europe

Aš, a town in the Czech Republic
Ås, Akershus, Norway
As, Belgium, in Limburg
Ås, Sør-Trøndelag, Norway
Ås, Swedish name for the Harju quarter in Helsinki, Finland
As, Ukraine (formerly known as Proletarka), a village in Ukraine

Asia

As-e Jadid (اس جديد, "New As"), a village in East Azerbaijan Province, Iran
As-e Qadim (اس قديم, "Old As"), a village in East Azerbaijan Province, Iran
Assam, a state of India

Countries

American Samoa (ISO 3166 code AS)
Australia (obsolete NATO and FIPS country codes AS)
United States (abbreviated "AS" in Indonesian)

Religion

Æsir (singular: ás, áss, ǫ́ss), one of the pantheon of Norse gods
ʿAlayhi s-salām (عليه السلام), Arabic for "Peace be upon him", post-nominal posthumous Islamic honorific

Other uses

As (Roman coin), a coin and unit of weight
Anno Societatis (A.S.), a calendar system used by the Society for Creative Anachronism
Anti-submarine warfare (A/S)
Australian Standards, the technical standards developed by Standards Australia
Old name for Ossetians, "As" or "Asi"

As

Art, entertainment, and media

Business legal structures

Businesses and organizations

Sports teams and leagues

Transportation companies

Other organizations

Vehicles

Academia

Language

Mathematics, science and technology

Computing

Health and medicine

Natural sciences

Units of measurement

Other uses in mathematics, science and technology

Places

Europe

Asia

Countries

Religion

Other uses

See also