- AGN stands for Active Galactic Nucleus
- AGN stands for Again (Amateur Radio)
- AGN stands for Agencia Guatemalteca de Noticias (Spanish: Guatemalan News Agency)
- AGN stands for Acute Glomerulonephritis
- AGN stands for Accountants Global Network
- AGN stands for Articles for the Government of the Navy
- AGN stands for Air Gabon (ICAO code)
- AGN stands for Ascension Gaming Network, Inc.
- AGN stands for Acid Gaming Network
- AGN stands for Asociación Guatemalteca de Nefrología (Spanish: Guatemalan Association of Nephrology)
- AGN stands for Abyssal Gaming Network
- AGN stands for Aerojet General Nucleonics
- AGN stands for Armageddon Games Network
- AGN stands for Armageddon Games Network (game developer)
- AGN stands for Agence Geneviève Naturisme (French naturist real estate agency)
- AGN stands for Anwendungen der Informatik In Geistes- und Naturwissenschaften (In formatics, University Of Hamburg)
- AGN stands for Angry Gamer Network
- AGN stands for Australian Gaming Network
- AGN stands for Automatically Generated Number
- AGN stands for Arts Graphiques Numériques (French: Digital Graphic Arts)
- AGN stands for Assis Global Networks (Japanese anime studio)
AGN