CFN may refer to: Canadian Football Network Carlton Food Network, UK TV channel Center for Functional Nanomaterials CFN/CNBC or Class CNBC, a business and financial news TV channel in Italy College Football News Brazilian Marine Corps (Corpo de Fuzileiros Navais) Donegal Airport, Ireland, IATA code chemical formula of Cyanogen fluoride Cfn Craftsman (Cfn) is the term for privates in some technical branches (e.g. the Royal Electrical and Mechanical Engineers)