RCN

RCN may refer to:
 * Radio Cadena Nacional (disambiguation), a broadcast network in Colombia
 * RCN Radio
 * RCN TV
 * RCN Corporation (formerly Residential Communications Network), a cable television, telephone, and Internet service provider in the United States
 * Radiowe Centrum Nadawcze, Polish designation for a broadcasting transmitter
 * Reality Check Network, a software based warez magazine that existed from 1995 to 1997
 * UWC Red Cross Nordic, a United World College in Norway
 * Reformed Church of Newtown, a church in Queens, NY
 * Republic of Cinnabar Navy, the setting of the RCN Series of science fiction novels by David Drake
 * Royal Canadian Navy
 * Royal College of Nursing, a professional membership organisation of the United Kingdom
 * Rundstrecken Challenge Nürburgring is a motorsport event series mainly on the Nürburgring
 * American River Airpark, IATA airport code "RCN"