TCN (disambiguation)

TCN stands for:

• Take Care Now, a private company providing out-of-hours medical cover in England
• TanenbaumCHAT North Campus, a private Hebrew high school in Richmond Hill, Ontario, Canada
• TCN-9, a Sydney television station
• The Comedy Network, a Canadian comedy channel
• The Country Network
• The Comcast Network, a Regional Sports Network owned by Comcast
• Tetracycline
• The Chronicles of Narnia, a series of seven fantasy novels for children written by C. S. Lewis.
• Third Country National
• Topology Change Notification in Spanning Tree Protocol
• Train Communication Network, a fieldbus standard used in train control systems, and described in IEC 61375.
• Transportation Communications Newsletter
• Transportation Control Number
• Troop Contributing Nation in international military operations or forces, such as ISAF
• Terrestrial in situ cosmogenic nuclides, see environmental radioactivity