CVN may refer to: Cohen Veterans Network, a not for profit series of mental health clinics for veterans and military families. Central Venous Nutrition, in parenteral nutrition Cable Value Network, a 1980s cable shopping channel, purchased in 1989 by QVC Charpy V-notch Number (Charpy Energy), the output of a Charpy impact test Card Verification Number for credit cards (3 or 4 digits on the back or front of the card) Courtroom View Network, a media company that webcasts trials The constellation Canes Venatici, CVn, standard astronomical abbreviation CVN (Carrier, Volplane, Nuclear), a United States Navy hull classification symbol for nuclear aircraft carriers Crime Victim Notification (computerised system) Countervandalism Network, a network of volunteers dedicated to reducing vandalism on Wikimedia Foundation wikis Clovis Municipal Airport, an airport located in Clovis, New Mexico with IATA code CVN Chinese VLBI Network, a network of large antennas and part of European VLBI Network (EVN).