# PTC

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

## 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