| Acronym | Definition |
|---|
| WAN | Wide Area Network |
| WAN | World Association of Newspapers (formerly Fédération Internationale des Editeurs de Journaux) |
| WAN | Wlan Access Node |
| WAN | Wireless Access Network |
| WAN | Wireless Area Network |
| WAN | Wisconsin Angel Network |
| WAN | World Animal Net (Boston, MA) |
| WAN | Wanted Technologies Corporation (stock symbol) |
| WAN | West Africa Nigeria (international vehicle ID) |
| WAN | World Airshow News (trade magazine) |
| WAN | World Artist Network (Fairfield, CT) |
| WAN | Westwide Avalanche Network (various locations) |
| WAN | Weekly Activity Notification (New York) |