| Acronym | Definition |
|---|
| HAN | Health Alert Network |
| HAN | Home Area Network |
| HAN | Hogeschool van Arnhem en Nijmegen (Dutch educational institution) |
| HAN | Hidden Automatic Navigator (Goettingen, Germany) |
| HAN | Hot August Nights (annual car show; Nevada) |
| HAN | Hierarchical Network |
| HAN | Houston Angel Network (est. 2001; Texas) |
| HAN | Haas Alumni Network (University of California, Berkeley) |
| HAN | How About No? (chat) |
| HAN | Harburger Anzeigen und Nachrichten (German Newspaper) |
| HAN | Healthy Aging Nutraceuticals |
| HAN | Hydroxylammonium Nitrate |
| HAN | Home Automation Network (smart grids) |
| HAN | Healthcare and Aging Network |
| HAN | Home Access Network |
| HAN | Hydroxylamine Nitrate |
| HAN | High Availability Network |
| HAN | Hanoi, Vietnam - Noibai Airport (Airport Code) |
| HAN | Heavy Aromatic Naphtha |
| HAN | Hosting Area Network (Savvis Communications, Inc.) |
| HAN | Hanford Complex (US Department of Energy) |