AN
An is an indefinite article in the English language; see also: a and an.
An, AN, aN, or an may also refer to:
Culture and language
Mathematics and science
Organizations
- Anime North, a Canadian anime convention
- The IATA airline designator for Ansett Australia, a major Australian airline group that is now defunct
- Apalachicola Northern Railroad's reporting mark
- Aryan Nations, a white supremacist religious organization
- Astronomische Nachrichten, or Astronomical Notes, an international Astronomy journal
- Australian National Railways - the formerly federal government owned Trans-Australia Railway, Central-Australia Railway, Country South Australia and Tasmanian Railways operator
- Avisa Nordland, a Norwegian newspaper
- Alleanza Nazionale, the Italian name for the National Alliance (Italy), a former political party in Italy
- The design office prefix for Antonov, a Ukrainian (formerly Soviet) aircraft manufacturing and services company
Placename abbreviations or codes
Other