AS

Look up As or as in Wiktionary, the free dictionary.

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

Art, entertainment, and media

"As" (song), a song by Stevie Wonder
Diario AS, a Spanish sports newspaper
Adult Swim, an adult-oriented block of television programming on Cartoon Network
Akademiska Sångföreningen, or the Academic Male Voice Choir of Helsinki, a Finnish choir

as (Unix), generic name for the assembler program as used on Unix systems
.as, the Internet country code top-level domain for American Samoa
ActionScript, a programming language originally developed by Macromedia and currently by Adobe for developing Flash and Flex applications
Authentication server, a server that provides authentication services to users
Autonomous system (Internet), a collection of IP networks

Adrenergic system, a part of history of neurology
Anabolic steroids, a class of drugs that have similar effects to testosterone
Angelman syndrome, a neuro-genetic disorder
Ankylosing spondylitis, an autoimmune degenerative disease of the spine and related joints
Aortic stenosis, a valvular heart disease
Asparagine synthase (glutamine-hydrolysing), an enzyme
Asperger syndrome, an autism spectrum disorder
Autism spectrum

Arcsecond, ¹⁄₆₀ arcminute, a unit of angular measurement
Attosecond or as, one trillionth (long scale) (10⁻¹⁸) or one quintillionth (short scale) (10⁻¹⁸) of a second, a unit of time
Attosiemens or aS, one trillionth (long scale) (10⁻¹⁸) or one quintillionth (short scale) (10⁻¹⁸) of a siemens, a unit of electric conductance

Abramowitz and Stegun, a mathematical reference work
Aggregate supply, in economics, the total supply of goods
Almost surely or a.s., in probability theory, an event with probability arbitrarily close to one
Arsenic (As), a chemical element with atomic number 33

Aš, a town in the Czech Republic
Ås, Akershus, a municipality in Akershus county, Norway
As, Belgium, a municipality in the Belgian province of Limburg
Ås, Sør-Trøndelag, a village in Tydal municipality in Sør-Trøndelag county, Norway
Ås, Swedish name for the Harju quarter in Helsinki, Finland

As-e Jadid ("New As"), Iran
As-e Qadim ("Old As"), Iran
American Samoa (ISO 3166 code AS)
- .as, the Internet country code top-level domain for American Samoa
Australia (NATO country code AS)

Æsir (also called "ás", "áss", or "ǫ́ss" in Norse), a member of the pantheon in Norse religion
ʿAlayhi s-salām, Arabic for "Peace be upon him", commonly found in Islamic writings after the name of an archangel or prophet other than Muhammad, e.g., "Ibrahim (AS)"

As (Roman coin), a coin and unit of weight
A. S. (automobile), a small French car of the 1920s
A.S., Anno Societatis, a calendrical system used in the Society for Creative Anachronism
Annunciation Style (A.S.), used to denote dates documented in British History falling before March 25 for any year before 1752, that are now considered to be in the following years with the adoption of January 1 as New Year's Day
Anti-submarine warfare
Ossetians, formerly called "As" or "Asi" by Georgians and Russians
Submarine tender (U.S. Navy hull classification symbol AS)