GTC may refer to:

Education

  • General Teaching Council (disambiguation)
  • Gateway Technical College, in Wisconsin, United States
  • Green Templeton College, Oxford, a constituent college of the University of Oxford
  • Greenville Technical College, in South Carolina, United States
  • Griffin Technical College, now part of Southern Crescent Technical College, in Georgia, United States
  • Gwinnett Technical College, in Georgia, United States
  • Government Tolaram College, in Narayanganj, Bangladesh

Science and medicine

  • Generalised tonic-clonic seizure
  • Graceful tree conjecture
  • Gran Telescopio Canarias, a Spanish telescope
  • Gigatonnes of carbon (GtC)
  • GTC, a codon for the amino acid valine

Technology

  • Game time card, in online gaming
  • Genome Therapeutics Corporation, a defunct American biotech company
  • GPU Technology Conference, an annual technical conference started by Nvidia in 2009
  • Opel GTC, a concept car

Telecommunications

  • Generic Token Card, in wireless and point-to-point communications
  • Grameen Telecom, a Bangladeshi telecommunications company
  • GTC Wireless, an American telecommunications company

Other uses

  • Gauhati Town Club, an Indian sports club
  • General Trade Company, a defunct Dano-Norwegian trading company
  • GeTai Challenge, abbreviated as GTC, a Singaporean reality singing competition for getai singers organised by MediaCorp
  • Girls' Training Corps, a former British girls' voluntary organisation
  • Going to California (TV series)
  • Good 'til cancelled, an investment order
  • Global Touring Challenge: Africa, a 2001 video game also known as GTC: Africa
  • Gran Turismo Concept, a 2002 video game
  • Sasol GTC Championship, a South African motorsport championship
  • Grand Traverse County, in Michigan, United States
  • Grand Trunk Corporation, a Canadian National Railway subsidiary
  • Ground Training Competition, of the Royal Air Force
  • Grudge Training Center, a mixed martial arts training center in Colorado, United States
  • Guild of Television Camera Professionals an organisation for professional camera people