| Acronym | Definition |
|---|
| KCN➣Potassium Cyanide |
| KCN➣Kintetsu Cable Network (Japan) |
| KCN➣Knight Commander |
| KCN➣Kelly Career Network |
| KCN➣Kentucky Child Now! (est. 1998) |
| KCN➣Kingdom Community Network |
| KCN➣Key Communicators Network (various locations) |
| KCN➣Key Conversion Notice (telecommunications/encryption) |
| KCN➣Kit Configuration Notice |