WCN may represent:
- Wildlife Conservation Network, a non-profit wildlife conservation organization.
- Windows Connect Now, a Microsoft scheme for configuring wireless routers.
- Wireless Community Networks, a community wireless network project for Chicago, USA.
- World Carfree Network, an international network of car-free advocates.
- World Chess Network, formerly a commercial Internet site on which to play chess.
- World Classical Network, a satellite service in Massachusetts, USA.
- World Congress of Neurology
- Winds Cool Nightly