| Acronym | Definition |
|---|
| PTP | Protein-Tyrosine Phosphatase |
| PTP | Point-To-Point |
| PTP | Picture Transfer Protocol |
| PTP | Paid to Promote (marketing) |
| PTP | Peer-To-Peer |
| PTP | Precision Time Protocol (IEEE 1588) |
| PTP | Past Participle |
| PTP | Parallel Track Path (DVD mastering system) |
| PTP | Peak to Peak (voltage fluctuations) |
| PTP | Peak-To-Peak (ratio) |
| PTP | Part Time Poker (website) |
| PTP | People to People |
| PTP | Port of Tanjung Pelepas (Malaysia) |
| PTP | Power to the People |
| PTP | Publicly Traded Partnership |
| PTP | Post Transfusion Purpura (potentially lethal complication of blood transfusion) |
| PTP | Pay to Play (gaming) |
| PTP | Procure to Pay (business process used especially when design enterprise resource planning system) |
| PTP | Primary Treating Physician |
| PTP | Pre-Tax Profit |
| PTP | Promise to Pay |
| PTP | Pathways to Peace (Larkspur, CA) |
| PTP | Purchase to Pay (SAP module) |
| PTP | Prevention Through People |
| PTP | Performance Transparency Protocol |
| PTP | Paper Tape Punch |
| PTP | Pardon The Pun |
| PTP | People's Transportation Plan |
| PTP | Part Time Permanent |
| PTP | Prime Time Player |
| PTP | Pre-Test Probability |
| PTP | Posttetanic Potentiation |
| PTP | Pre-deployment Training Program (US Marine Corps) |
| PTP | Professional Transportation Planner (certification; Institute of Transportation Engineers) |
| PTP | Professional Tax Preparer |
| PTP | Permutation Tail Probability |
| PTP | Part-Time Position |
| PTP | Points to Ponder (military after-action reviews) |
| PTP | Programming the Psychodrill (band) |
| PTP | Present Time Problem (Scientology) |
| PTP | Pointe A Pitre, Guadeloupe - Le Raizet (Airport Code) |
| PTP | Port Tobacco Players (actors) |
| PTP | Programmable Telemetry Processor |
| PTP | Photo Transfer Protocol |
| PTP | Association of Professional Team Physicians |
| PTP | Page Table Pointer |
| PTP | Personal Tech Pipeline (web newsletter) |
| PTP | Press Through Packaging (blister packaging) |
| PTP | Physical Termination Points |
| PTP | Professions Training Program |
| PTP | Program Test Plan |
| PTP | Pre-Task Planning |
| PTP | Preferred Technology Program |
| PTP | Priston Tale Philippines (gaming) |
| PTP | Post Tax Profit |
| PTP | Path Termination Point |
| PTP | Pre-Treatment Plant |
| PTP | Payload Tactical Planning |
| PTP | Pass Through Price |
| PTP | Polskie Towarzystwo Prózniowe (Polish Vacuum Society) |
| PTP | Partial Transition Probability |
| PTP | Phase Three Planning |
| PTP | Practical Training Publications |
| PTP | Process Test Plan/Procedure |
| PTP | Pengkalan Tanjung Pelepas (Tanjung Pelepas Port, Johor, Malaysia) |
| PTP | Prepaid Travel Program |
| PTP | Prescriptive Transitional Program |
| PTP | Perpetual Training Program |
| PTP | Project Transition Plan |
| PTP | Personal Transport Performance (automotive) |
| PTP | Perfectly Timed Photos (website) |
| PTP | P-Town Players (gaming, Halo) |
| PTP | Progress of Theoretical Physics (monthly journal) |
| PTP | Policy on Transfer Payments (Canada) |
| PTP | Previously Treated Psychosis |
| PTP | Parent Teacher Partnership (various schools) |
| PTP | Package Treatment Plant (various companies) |
| PTP | Powerful Text Programming Language |