CGN

CGN may refer to:

• CGN, a gene that encodes for the protein cingulin
• the Chapman code for Ceredigion, formerly Cardiganshire, a historic county in Wales
• China General Nuclear Power Group, a Chinese energy company
• Compagnie Générale de Navigation sur le lac Léman, a Swiss company operating boats on Lake Léman
• Childhood gender nonconformity, a childhood behavioral pattern
• CGN, IATA code for Cologne Bonn Airport, Germany
• CGN, National Rail station code for Cogan railway station, Wales
• CGN, U.S. Navy designation for a nuclear-powered guided missile cruiser
• Carrier-grade NAT, an approach to IPv4 network design where end sites are configured with private network addresses
• CGN, cis Golgi network, compartment of the Golgi apparatus
• Crescentic glomerulonephritis, a syndrome of the kidney that is characterized by a rapid loss of kidney function