PTP

PTP may refer to:

Science and technology

 * Peak-to-peak, an amplitude of a signal
 * Permeability transition pore, a mitochondrial channel protein complex
 * Post-tetanic potentiation, a short-lived form of synaptic plasticity
 * Post-transfusion purpura, a type of adverse reaction to a blood transfusion
 * Protein tyrosine phosphatase, a group of enzymes

Computing

 * PET Transfer Protocol, a file transfer protocol developed for Commodore-based bulletin boards
 * Picture Transfer Protocol, a protocol for digital cameras
 * Precision Time Protocol, a time synchronization protocol

Music

 * PTP (artist collective), an American experimental music collective and record label
 * PTP (band) (Programming the Psychodrill), an American industrial music group, side project of Ministry
 * Pay Money to My Pain, a Japanese rock band
 * Phonation threshold pressure, the amount of air pressure required to initiate vibration of the vocal cords

Organisations

 * Pheu Thai Party, a political party in Thailand
 * Portuguese Labour Party, a left-of-centre political party in Portugal
 * Togolese Party of Progress, a defunct political party in Togoland

Places

 * Pointe-à-Pitre International Airport (IATA code), Guadeloupe
 * Port of Tanjung Pelepas, in Johor, Malaysia

Other uses

 * Practitioner Training Programme, of the UK Modernising Scientific Careers initiative
 * Professional transportation planner, an American personal certification program
 * Publicly traded partnership, a limited partnership whose interests are regularly traded on an established securities market.