| Acronym | Definition |
|---|
| AAN➣American Academy of Neurology |
| AAN➣American Academy of Nursing |
| AAN➣Association of Alternative Newsweeklies |
| AAN➣Army After Next |
| AAN➣Access Area Network |
| AAN➣American Association of Nurserymen |
| AAN➣Archaeological Association of Nigeria |
| AAN➣Australian Association of Neurologists |
| AAN➣Action Alert Network (International Freedom of Expression Exchange) |
| AAN➣Annuaire de l'Afrique du Nord (French: North African Directory; publication) |
| AAN➣Agency Action Notice (document) |
| AAN➣All Area Network |
| AAN➣All About Nothing (gaming) |
| AAN➣American Academy of Nutrition |
| AAN➣Application-Aware Network (AT&T) |
| AAN➣Air Ambulance Network |
| AAN➣Active Antenna Node |
| AAN➣Asemblea Atlantico del Nord (North Atlantic Assembly; NATO) |
| AAN➣Activity Accounting Number |
| AAN➣Assignment Action Number (US Air Force) |
| AAN➣AIDS-Acquired Immune Deficiency Syndrome Associated Neutropenia |