TCN is a television station in Sydney, Australia, with initials standing for "Television Corporation New South Wales". TCN may also refer to: Broadcasting The Comedy Network, a Canadian comedy TV channel owned by Bell Media The Country Network, an American TV channel broadcasting country music videos The Comcast Network, a regional sports network owned by Comcast broadcasting in the Eastern United States The Cartoon Network, a holding company for Cartoon Network and Adult Swim brands, owned by Warner Bros. Discovery Other organisations Take Care Now, a former private company providing out-of-hours medical cover in England Transportation Communications Newsletter, an electronic newsletter published on weekdays about communications technology in the transportation industry The Curling News, a Canadian curling newspaper Science and technology Tetracycline, an antibiotic used to treat conditions including cholera, brucellosis, plague, malaria and syphilis Train communication network, a fieldbus standard used in train control systems, described in IEC 61375 Topology change notification in Spanning Tree Protocol, an ethernet networking protocol Terrestrial Cosmogenic nuclide, rare isotope found on the earth surface. Other uses The Chronicles of Narnia, a series of seven fantasy novels for children written by C. S. Lewis Third country national, a term used in the context of migration and, in the U.S., regarding public-sector contracts