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

Businesses and organizations

* Airlinair (IATA airline code AN) * Alleanza Nazionale, a former political party in Italy * AnimeNEXT, an annual anime convention located in New Jersey * Anime North, a Canadian anime convention * Ansett Australia, a major Australian airline group that is now defunct (IATA designator AN) * Apalachicola Northern Railroad (reporting mark AN) 1903–2002 ** AN Railway, a successor company, 2002– *

Aryan Nations Aryan Nations is a North American antisemitic, neo-Nazi, white supremacist organization that was originally based in Kootenai County, Idaho, about miles (4.4 km) north of the city of Hayden Lake. Richard Girnt Butler founded the group i ...

, a white supremacist religious organization * Australian National Railways Commission, an Australian rail operator from 1975 until 1987 * Antonov, a Ukrainian (formerly Soviet) aircraft manufacturing and services company, as a model prefix

Entertainment and media

* Antv, an Indonesian television network * ''

Astronomische Nachrichten ''Astronomische Nachrichten'' (''Astronomical Notes''), one of the first international journals in the field of astronomy, was established in 1821 by the German astronomer Heinrich Christian Schumacher. It claims to be the oldest astronomical jour ...

'', or ''Astronomical Notes'', an international astronomy journal * '' Avisa Nordland'', a Norwegian newspaper * '' Sweet Bean'' (あん), a 2015 Japanese film also known as ''An''

Language

* An,

English indefinite article The articles in English language, English are the definite article ''the'' and the indefinite articles ''a'' and ''an''. The definite article is used when the speaker believes that the listener knows the identity of the noun's referent (because ...

Anglo-Norman language Anglo-Norman, also known as Anglo-Norman French ( nrf, Anglo-Normaund) ( French: ), was a dialect of Old Norman French that was used in England and, to a lesser extent, elsewhere in Great Britain and Ireland during the Anglo-Norman period. When ...

* Aragonese language (ISO 639-1:2002 language code AN) * Algemeen Nederlands (meaning "Common Dutch"), the official Dutch language * A variant of the

prefix A prefix is an affix which is placed before the Word stem, stem of a word. Adding it to the beginning of one word changes it into another word. For example, when the prefix ''un-'' is added to the word ''happy'', it creates the word ''unhappy'' ...

"in", used before vowels to convey the meaning "not" (for example: aneuploid means "not euploid")

Mathematics, science, and technology

* ''A_n'', in mathematics, a root system and its Dynkin diagram * ''A_n'', in mathematics, conventional notation for the alternating group * ''a_n'', 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 Anorthite is the calcium endmember of the plagioclase feldspar mineral series. The chemical formula of pure anorthite is Ca Al2 Si2O8. Anorthite is found in mafic igneous rocks. Anorthite is rare on the Earth but abundant on the Moon. Mineralo ...

, a feldspar mineral

Military

* A prefix used by the U.S. military for electronic equipment named under the Joint Electronics Type Designation System *

Net laying ship A net laying ship, also known as a net layer, net tender, gate ship or boom defence vessel was a type of naval auxiliary ship. A net layer's primary function was to lay and maintain steel anti-torpedo or anti-submarine nets. Nets could be laid ...

(US Navy hull classification symbol AN) * ''Avtomat Nikonova'' used for the

AN-94 The AN-94 (Russian: 5,45-мм автомат Никонова обр. 1987 г. / АН-94 «Абака́н», GRAU designation 6P33) is a Russian assault rifle. The initials stand for ''Avtomat Nikonova'' model of 1994, after its chief designer ...

Names

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

Places

An County Anzhou District () formerly An County is a district of the city of Mianyang, in northeastern Sichuan province, China. It has an area of and a population of 440,000. Administrative divisions Anzhou has 15 towns and three townships A township i ...

, 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 (obsolete NATO country code AN) * Angola (World Meteorological Organization country code AN) *

Netherlands Antilles nl, In vrijheid verenigd"Unified by freedom" , national_anthem = , common_languages = Dutch English Papiamento , demonym = Netherlands Antillean , capital = Willemstad , year_start = 1954 , year_end = 2010 , date_start = 15 December , ...

(ISO country code AN)

Religion

An (Shintō) The is a small table, desk or platform used during Shinto Shinto () is a religion from Japan. Classified as an East Asian religion by scholars of religion, its practitioners often regard it as Japan's indigenous religion and as a nature ...

, a small table or platform used during Shinto ceremonies *

Anu Anu ( akk, , from wikt:𒀭#Sumerian, 𒀭 ''an'' “Sky”, “Heaven”) or Anum, originally An ( sux, ), was the sky father, divine personification of the sky, king of the gods, and ancestor of many of the list of Mesopotamian deities, dei ...

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