Ans or ANS or variation, may refer to: Places Ans, Belgium, a municipality in Belgium Ans, Denmark, a village in Denmark Angus, Scotland, UK; a council area by its Chapman code Ainsdale railway station, England, UK (by station code ANS) Andahuaylas Airport, Peru (by IATA airport code ANS) People Ans (given name), a Dutch feminine given name Anna Nicole Smith, American model and actress Organizations Academy of Natural Sciences of Philadelphia, Pennsylvania, United States Astronomical Netherlands Satellite, a Dutch X-ray satellite American Name Society American Nuclear Society American Numismatic Society, formerly the American Numismatic and Archaeological Society ANS Group of Companies, a news organization in Azerbaijan , a Cambodian resistance group; see Coalition Government of Democratic Kampuchea Audubon Naturalist Society, an environmental organization based in the Washington, DC area Chemistry and biology Adrenergic nervous system, adrenaline and noradrenaline neurotransmitters distribution in human body 8-Anilino-1-naphthalenesulfonic acid, a fluorescent chemical compound used as a molecular probe Anthocyanidin synthase, an enzyme in the leucocyanidin biosynthesis pathway Approximate number system, a hypothesized physiological basis for the sense of number Autonomic nervous system, part of the peripheral nervous system in the body Technology , an unofficial file extension for ANSI art Advanced Network and Services, a non-profit network service provider in the 1990s American National Standards, defined by the American National Standards Institute ans, a variable in MATLAB, created automatically when no output argument is specified, referring to the most recent answer ANS carriage control characters (or ASA control characters), for computer line printers Asymmetric numeral systems, coding in data compression Authoritative name server, a DNS server Artificial neural system, or Artificial neural network Air Navigation Services, as delivered by an Air Navigation Service Provider (ANSP) Music ANS (album), a box set from the British band Coil ANS synthesizer, a Russian photoelectric musical instrument Other uses Al Ansar FC, a Lebanese association football club Amman National School, in Amman, Jordan Ansvarlig selskap, a Norwegian personal responsibility company model Algemeen Nijmeegs Studentenblad, a Dutch student magazine See also AN (disambiguation) Answer (disambiguation), for which "Ans." may be an abbreviation