- AEN stands for Athletic Edge Nutrition (nutrition formulas; Miami, FL)
- AEN stands for Additional Educational Needs (various locations)
- AEN stands for Agence pour l’Energie Nucléaire (French: Nuclear Energy Agency)
- AEN stands for Address Enable
- AEN stands for America’s Emergency Network
- AEN stands for Asynchronous Event Notification
- AEN stands for Atelier Electrique Normand (French: Normand Electric Workshop)
- AEN stands for Arizona Education Network (public education information coalition)
- AEN stands for Agenzia per l’Energia Nucleare (Italian: Nuclear Energy Agency; OCSE)
- AEN stands for Australian Energy News (magazine)
- AEN stands for Alternative Energy News
- AEN stands for Anciens Élèves de l’Ecole Navale (French: Ecole Navale Alumni)
- AEN stands for Administrative Exception Note
AEN