| Acronym | Definition |
|---|
| NCN | NMD (National Missile Defense) Communications Network |
| NCN | National Cycle Network |
| NCN | Netware Configuration Network |
| NCN | New College Nottingham |
| NCN | No Credit Needed (blog) |
| NCN | Nazarene Communications Network (Church of the Nazarene) |
| NCN | Northern California and Nevada (various organizations) |
| NCN | Network Communications News (UK) |
| NCN | National Caricaturist Network |
| NCN | Neighborly Care Network |
| NCN | No Common Name |
| NCN | Nihonkai Cable Network (Japan) |
| NCN | Nonconformity Note (Lean Six Sigma) |
| NCN | National Communications Network, Inc (Guyana) |
| NCN | New Country Network (Canada) |
| NCN | Not Considered Necessary |
| NCN | Non-compliance Notification |
| NCN | Nevocellular Nevi |
| NCN | National Computer Network |
| NCN | NATO Circuit Number |
| NCN | Non-Coin |
| NCN | NASAl Cavity Narrowing |
| NCN | Nth Phasing Maneuver |