| Acronym | Definition |
|---|
| AEN | Athletic Edge Nutrition (nutrition formulas; Miami, FL) |
| AEN | Additional Educational Needs (various locations) |
| AEN | Automatic Event Notification |
| AEN | Agence pour l'Energie Nucléaire (French: Nuclear Energy Agency) |
| AEN | Address Enable |
| AEN | America's Emergency Network |
| AEN | Asynchronous Event Notification |
| AEN | Atelier Electrique Normand (French: Normand Electric Workshop) |
| AEN | Arizona Education Network (public education information coalition) |
| AEN | Agenzia per l'Energia Nucleare (Italian: Nuclear Energy Agency; OCSE) |
| AEN | Australian Energy News (magazine) |
| AEN | Alternative Energy News |
| AEN | Anciens Élèves de l'Ecole Navale (French: Ecole Navale Alumni) |
| AEN | Administrative Exception Note |
| AEN | Asahi Evening News (newspaper) |
| AEN | Accelerated Event Notification |
| AEN | Asian Energy News (Bangkok, Thailand) |
| AEN | Arbitrary ELINT Notation |
| AEN | Asociación Eduquemos A La Niña ("We Educate The Girl" Association, Guatemala) |
| AEN | Anime Enlightenment Network (fansub group) |
| AEN | ATCCS Engineering Network |
| AEN | Artists Entertainment Network (Springfield, VA) |