ABN

ABN or abn is a three-letter acronym that may refer to:

* ABN (TV station), the Australian Broadcasting Corporation's Sydney TV station
* Alaska Board of Nursing
* IATA airport code for Albina Airport in Albina, Suriname
* Algemeen Beschaafd Nederlands (meaning "Common Civilized Dutch"), the near-obsolete name for now "Common Dutch"
* Algemene Bank Nederland, a Dutch bank now part of ABN AMRO
* Angled Bed of Nails, a type of clip used in telecommunication test equipment like a butt set
* Asahi Broadcasting Nagano, a television station in Nagano Prefecture, Japan
* Assholes by Nature, a rap group
* Assumed Business Name, in Oregon corporation law, often called Doing business as elsewhere in the United States
* Australian Business Number, a unique identifier issued to business entities by the Australian Taxation Office
* Niger Basin Authority (Authorité du Bassin du Niger)