DCN

DCN may refer to:


 * Daily Cargo News, an Australian monthly shipping magazine
 * Decorin, a protein encoded by the DCN gene
 * Deputy Chief of Navy, Australia
 * Dorsal cochlear nucleus, a structure on the brainstem
 * Dynamic circuit network, a computer network technology
 * Data Communication Network, for network management in Radio access networks
 * Naval Group, French shipbuilder formerly known as Direction des Constructions Navales (DCN)
 * RAAF Base Curtin, IATA airport code "DCN"