| NCN | Name Change Notice 
| Others |
| NCN | Nashville Capital Network
| Others |
| NCN | National Caricaturist Network
| Others |
| NCN | National Check Network
| Others |
| NCN | National Cinema Network
| Others |
| NCN | National Communications Network
| Others |
| NCN | National Compadres Network
| Others |
| NCN | National Council of Nonprofits
| Others |
| NCN | National Cycle Network
| Others |
| NCN | Nazarene Communications Network
| Others |
| NCN | Netware Configuration Network
| Others |
| NCN | Network for Computational Nanotechnology
| Others |
| NCN | New Century Net
| Others |
| NCN | New Chenega, Alaska USA
| Others |
| NCN | New Civilization Network
| Others |
| NCN | New College Nottingham
| Others |
| NCN | New Congo Net
| Others |
| NCN | New Cylinder Number
| Others |
| NCN | News Channel Nebraska
| Others |
| NCN | Nissan Club Nederland
| Others |
| NCN | No Change Necessary
| Others |
| NCN | NO CLOTHES NECESSary
| Others |
| NCN | No Clothing Necessary
| Others |
| NCN | No cON Name
| Others |
| NCN | No Cool Name
| Others |
| NCN | No Credit Needed
| Others |
| NCN | Non Conjugate Normal
| Others |
| NCN | Nonprofit Centers Network
| Others |
| NCN | Northern California Net
| Others |
| NCN | Not Considered Necessary
| Others |
| NCN | Number of Common Nodes
| Others |
| NCN | Number of Corner Nodes
| Others |
| NCN | Nutrition Capital Network
| Others |