PTC may refer to:
Education Pacific Theological College, in Suva, Fiji Parent-teacher conference Pilot Training College, a former organisation in Ireland and the US Pittsburgh Technical College, a 2-year college in Pittsburgh, PA, US Police Training Centre, Bangladesh Portage Trail Conference, an association of public schools in Ohio, US Presbyterian Theological College, Victoria, Australia RAF Personnel and Training Command, 1994–2007
Medicine Papillary thyroid cancer, the most common type of thyroid cancer Percutaneous transhepatic cholangiography, an X-ray technique for the biliary tract Pseudotumor cerebri or idiopathic intracranial hypertension, a brain disorder
Organizations Pacific Telecommunications Council, a telecommunications industry trade association for the Pacific Rim Pakistan Telecommunication Company Ltd, KSE code Pakistan Tobacco Company Partido Trabalhista Cristão (Christian Labour Party), a political party in Brazil Partit del Treball de Catalunya (Party of Labour of Catalonia), a communist party in Catalonia, Spain Polska Telefonia Cyfrowa, formal name of T-Mobile Polska PTC India, an Indian energy trading company PTC Punjabi, a television network in India PTC Punjabi (Canada) PTC Punjabi Film Awards Public Services, Tax and Commerce Union, UK, 1996–1998 Public Transport Commission, in New South Wales, Australia Public Transport Corporation, in Victoria, Australia Public Transport Council, in Singapore Radio Television of Serbia (Радио-телевизија Србије), a public broadcaster in Serbia
United States Parents Television Council, a U.S.-based advocacy group Pennsylvania Turnpike Commission Philadelphia Toboggan Coasters, roller coaster manufacturer, formerly Philadelphia Toboggan Company Philadelphia Transportation Company, 1940–1968 Pioneer Theatre Company, Utah a type of patrol boat, for example Patrol torpedo boat PT-41 PTC Inc., formerly Parametric Technology Corporation, a software company PTC Therapeutics, a pharmaceutical company
Places Pakuwon Trade Center, a shopping center in Indonesia Pitcairn Islands (by ITU country code) Punggol MRT/LRT station, Singapore (by LRT code)
Science and technology Passive thermal control, a slow roll of a spacecraft on its horizontal axis to stabilize the thermal response to solar heating Patched, a protein receptor Peptidyl transferase centre, associated with protoribosomes and the possible origin of ribosomes and abiogenesis Phase-transfer catalyst, that facilitates interphase migration Phenylthiocarbamide, an organosulfur thiourea Poly(trimethylene carbonate), a derivative of trimethylene carbonate Positive temperature coefficient, of materials which increase resistance with temperature Polymeric positive temperature coefficient (PPTC) device or resettable fuse PTC heating element, a type of self-regulating heater PTC thermistor, a type of resistor
Positive train control, a type of train protection system Potential tropical cyclone, a term used since 2017 in NHC advisory products to describe a disturbance that is not yet a tropical cyclone Post-tropical cyclone, an ex-tropical cyclone
Other uses Paid to click, payment for viewing advertisements Pass-Through Certificates, evidence of ownership of multiple Equipment Trust Certificates Piece to camera, spoken directly to a film or TV camera Players Tour Championship, in snooker Premium Tax Credit, Affordable Care Act provision Production tax credit, US, for renewable energy production