TGC may refer to: Companies and organisations Taiwan Garrison Command (1948–1992). former secret police unit of the Republic of China Armed Forces Thatgamecompany, a US videogame developer The Gospel Coalition, a US religious organization The Grantsmanship Center, a US non-profit organization which provides training in grant application Autoridad Única del Transporte de Gran Canaria, the transport authority on Gran Canaria in the Canary Islands Tren de Gran Canaria, a planned railway line in the Canary Islands Media and entertainment The Golden Compass (Northern Lights (Pullman novel)), a young-adult fantasy novel by Philip Pullman The Golf Channel, a US sports TV channel ReBoot: The Guardian Code (2018), a Canadian live-action/CGI-animated television series TGC (musical duo) A European musical duo, who write and self-produce atmospheric electro-pop music Science and medicine Thyroglossal cyst, a fibrous cyst that forms in the throat from a persistent thyroglossal duct Tight glucose control, a practice in the medical treatment of diabetes Time gain compensation, a setting applied in diagnostic ultrasound imaging TGC, a codon for the amino acid Cysteine Other Thai Green curry, a Thai dish The Grand Canyon, of the Colorado River in Arizona, USA The Great Courses, college-level audio and video courses by The Teaching Company Tokyo Girls Collection, a Japanese semi-annual fashion show Tradable green certificate, a European certificate representing production of some quantity of electricity by renewable processes Triple Gold Club, ice hockey players who have won the Stanley Cup, the Olympic gold medal in hockey, and the hockey World Championship