TCN (disambiguation)

TCN stands for:

Broadcasting

• TCN, a television station in Sydney, Australia, with initials standing for "Television Corporation New South Wales"
• 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, Inc., a holding company for Cartoon Network and Adult Swim brands, owned by WarnerMedia.

Other organisations

• Take Care Now, a former private company providing out-of-hours medical cover in England
• TanenbaumCHAT North Campus, part of the Tanenbaum Community Hebrew Academy of Toronto, a private Hebrew high school in Richmond Hill, Ontario, Canada
• Transportation Communications Newsletter, an electronic newsletter published on weekdays about communications technology in the transportation industry

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 nuclides, a kind of environmental radioactivity

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
• Technical capabilities notice, a kind of surveillance warrant under section 253 of the UK's Investigatory Powers Act 2016
• Transportation Control Number, a shipping identifier used by the U.S. federal government
• Troop contributing nation, a term in international military operations or forces, such as the NATO-led International Security Assistance Force in Afghanistan, 2001–14