TDC may refer to:
Organisations Hong Kong Trade Development Council Taiwan Design Center, an art organization based in Taipei, Taiwan TDC A/S, a Danish telecommunications company Teradata Corporation (U.S. ticker symbol) Texas Department of Criminal Justice, formerly the Texas Department of Corrections Type Directors Club, an international organization specialising in typography Theta Delta Chi, a social fraternity founded at Union College, New York, US The Discovery Channel, former name of Discovery Channel
Places Tristan da Cunha, both a remote group of volcanic islands in the south Atlantic Ocean and the main island of that group Tokyo Dome City, an entertainment complex in Tokyo, Japan Toronto-Dominion Centre, a cluster of buildings in Toronto, Ontario, Canada
Technology Time-to-digital converter, a device in signal processing Top dead center, the position furthest from the crankshaft of a piston in a reciprocating engine, see Dead centre (engineering) Torpedo Data Computer, a piece of naval technology
Other uses Total delivery cost, the amount of money it takes for a company to manufacture and deliver a product Trophée des Champions, a French association football trophy The Death Cure, a science fiction novel by American writer James Dashner Trainee Detective Constable, the most junior British police Criminal Investigation Department (CID) rank; See Police ranks of the United Kingdom