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

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  • 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

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