| Acronym | Definition |
|---|
| AON | Application-Oriented Networking (Microsoft - Longhorn) |
| AON | All or None |
| AON | Always On |
| AON | Active Optical Network |
| AON | All Optical Network |
| AON | Attribute Overlay Network |
| AON | Application Oriented Networking |
| AON | Activity on Node |
| AON | All or Nothing |
| AON | Art of Noise (band) |
| AON | Activity on Node (networking) |
| AON | As of Now |
| AON | All Optical Network(ing) |
| AON | Active Optical Network (Marconi) |
| AON | Anterior Olfactory Nucleus |
| AON | Apropos of Nothing |
| AON | Airline Operators Association of Nigeria |
| AON | Average Octane Number |
| AON | All or Nothing Hosting (webhosting company) |
| AON | Amulet of Necropotence (gaming, Everquest) |
| AON | Angle Off Nose |
| AON | Academy of Networking (Moscow, Russia) |
| AON | Allstars of Nation (gaming clan) |
| AON | Air Operations Net |