ASN or Asn may refer to: Organisations ASN Bank, in the Netherlands American Society of Nephrology American Society for Neurochemistry American Society for Nutrition Archstone (former ticker symbol), a US real estate investment trust Association for the Study of Nationalities, an association devoted to the study of ethnicity and nationalism Autorité de sûreté nucléaire, the French nuclear safety authority Assistant Secretary of the Navy, the title given to certain civilian senior officials in the United States Department of the Navy Australasian Steam Navigation Company, shipping company operating between 1839 and 1887 Computing Abstract Syntax Notation One (ASN.1) Autonomous System Number, an identifier for a collection of IP networks and routers under the control of one entity Access service network, a component in telecommunications networks; See Access network asn, the second-level domain name .au, reserved for Australian associations and non-profit organisations Address space number, a tag of an Alpha translation lookaside buffer entry Media American Sports Network, a syndicated package of college sports originated by Sinclair Broadcast Group All Sports Network, a 24-hour Pan Asian sports channel owned by Yes Television Associated Screen News of Canada, producer of newsreels, shorts and industrial films in Canada in the period of 1920 to 1958 Atlantic Satellite Network, a television channel in Canada now known as CTV Two Atlantic Transportation Advance ship notice, a message used to notify of pending deliveries. Addlestone railway station (National Rail code), UK Aviation Safety Network, a website that keeps track of aviation accidents, incidents, and hijackings Talladega Municipal Airport (IATA: ASN), an airport in Alabama, US Other uses Adobe Solutions Network, the brand name for worldwide partner programs of Adobe Systems, Inc Asparagine (Asn), an amino acid Associate of Science in Nursing, a tertiary education nursing degree which typically takes 2–3 years to complete Additional Support Needs, a Scottish term equivalent to special needs in the Education (Additional Support for Learning) (Scotland) Act 2004