AN
- AN Railway
- AN thread
- AN-94
- Aan (disambiguation)
- Acanthosis nigricans
- Acrylonitrile
- Actinide
- Adobe Animate
- Agios Nikolaos (disambiguation)
- Ahn (Korean name)
- Airlinair
- Algebraic notation (chess)
- Alleanza Nazionale
- Ammonium nitrate
- An (Shintō)
- An (surname)
- An County
- Andaman and Nicobar Islands
- Anderson County, Kansas
- Andorra
- Anglo-Norman language
- Angola
- Anime North
- AnimeNEXT
- Ann (disambiguation)
- Anode
- Anorexia nervosa
- Anorthite
- Ansett Australia
- Antonov
- Antv
- Anu
- Apalachicola Northern Railroad
- Application note
- Aragonese language
- Aryan Nations
- Astronomische Nachrichten
- Australian National Railways Commission
- Avisa Nordland
- Dutch language
- English indefinite article
- Joint Electronics Type Designation System
- List of auxiliaries of the United States Navy
- Netherlands Antilles
- Newton (unit)
- Province of Ancona
- Sweet Bean
- Ân (album)
- Ân (digraph)