An, AN, aN, or an may refer to:

Businesses and organizations

  • Airlinair, a French regional airline, by IATA airline code
  • , a former political party in Italy
  • AnimeNEXT, an annual anime convention located in New Jersey
  • Anime North, a Canadian anime convention
  • Ansett Australia, a defunct Australian airline group by IATA code
  • Apalachicola Northern Railroad, a short-line railroad which operated in the Florida Panhandle of the United States (reporting mark AN) 1903–2002
  • AN Railway, a successor company, 2002–
  • Aryan Nations, a North American neo-Nazi and Christian Identity organization
  • Australian National, a government-owned Australian rail operator from 1975 until 1987 (a rebranding of the Australian National Railways Commission)
  • Antonov, a Ukrainian (formerly Soviet) aircraft manufacturing and services company, as a model prefix

Entertainment and media

  • ANTV, an Indonesian television network
  • , or Astronomical Notes, an international astronomy journal
  • , a Norwegian newspaper
  • Sweet Bean (あん), a 2015 Japanese film also known as An
  • Ân (album), an album by Edis

Language

  • An, an indefinite article in the English language
  • Aragonese language (ISO 639-1:2002 language code AN)
  • an-, an English prefix meaning not, used before vowels

Mathematics, science, and technology

  • A<sub>n</sub>, in mathematics, a root system and its Dynkin diagram
  • A<sub>n</sub>, in mathematics, conventional notation for the alternating group
  • a<sub>n</sub>, a generic label for a term of a sequence
  • AN thread, Army and Navy thread - for bolts and tube fittings in 16th inch increments
  • Acanthosis nigricans, a skin condition
  • Acrylonitrile, an organic compound and monomer used in the manufacture of certain plastics
  • Actinide (An), informal symbol for a series of chemical elements
  • Ammonium nitrate (AN), a chemical compound
  • Anode, in electronic schematics
  • Anorexia nervosa, an eating disorder
  • Application note (in engineering), most often seen as A.N.
  • Attonewton (aN), an SI unit of force
  • Anorthite, a feldspar mineral
  • Adobe Animate, an Adobe animation software

Military

  • A prefix used by the U.S. military for electronic equipment named under the Joint Electronics Type Designation System
  • A US Navy hull classification symbol: Net laying ship (AN)
  • Avtomat Nikonova used for the AN-94

Names

  • Ahn (Korean name) (安)
  • An (surname) (安), Chinese surname

Places

  • An County, in Sichuan, China
  • Agios Nikolaos (disambiguation), a common place name in Greece and Cyprus
  • Province of Ancona, a province of Italy (ISO 3166-2:IT code AN)
  • Andaman and Nicobar Islands, a territory in southeastern India (ISO 3166 code AN)
  • Anderson County, Kansas (state county code AN)
  • Andorra (FIPS, LOC MARC and obsolete NATO country code AN)
  • Angola (World Meteorological Organization country code AN)
  • Netherlands Antilles (ISO country code AN)

Religion

  • An (Shintō), a small table or platform used during Shinto ceremonies
  • Anu or An, a god in Sumerian and Babylonian mythology

Other uses

  • Associate degree in nursing
  • Algebraic notation (chess) (AN), the standard system for recording moves in chess
  • Ân (digraph),

See also

  • Aan (disambiguation)
  • Ann (disambiguation)