| Acronym | Definition |
|---|
| PT | Point |
| PT | Part |
| PT | Portugal (Internet top level domain) |
| PT | Port |
| PT | Physical Therapy |
| PT | Physical Training |
| PT | Patient |
| PT | Part Time |
| PT | Physical Therapist |
| PT | Pacific Time |
| PT | Prothrombin Time (test) |
| PT | Portugal Telecom |
| PT | Portal |
| PT | Paint |
| PT | Payment |
| PT | Platinum |
| PT | Port Townsend (Washington) |
| PT | Periodic Table |
| PT | Personal Trainer |
| PT | Palestinian Territory |
| PT | Personal Training |
| PT | Pro Tools (audio software) |
| PT | Present Time (Scientology) |
| PT | Pendidikan Tinggi (Indonesian: Higher Education) |
| PT | Playing Time |
| PT | Preteen |
| PT | Principles of Technology (physics course) |
| PT | Pharmacy Technician |
| PT | Public Transportation |
| PT | Plain Text |
| PT | Ponto (Brazil) |
| PT | Pressure Treated |
| PT | Page Table |
| PT | Primary Trainer |
| PT | Personal Transporter (Segway) |
| PT | Project Team |
| PT | Partido dos Trabalhadores (Brazilian Worker's Party) |
| PT | Parent-Teacher |
| PT | Price Target (finance) |
| PT | Pint (unit of measurement) |
| PT | Performance Test |
| PT | Projection Television (various companies) |
| PT | Publication Type |
| PT | Poker Tracker (software program for online poker players) |
| PT | Paper Towel |
| PT | Push-to-Talk |
| PT | Test Plan (DoD-STD-7935) |
| PT | Passing Through |
| PT | Peeping Tom |
| PT | Porcupine Tree (band) |
| PT | Phase Transition |
| PT | Partido del Trabajo (Spanish: Workers' Party) |
| PT | Private Torrent (file distribution) |
| PT | Positive Test |
| PT | Pre-Trial |
| PT | Power Train |
| PT | Preterm |
| PT | Power Transformer (electrical engineering) |
| PT | Personal Transportation (Chrysler's PT Cruiser) |
| PT | Personal Time |
| PT | Physics Today |
| PT | Pedal Tuner (musical equipment) |
| PT | Proficiency Test |
| PT | Pop Tarts |
| PT | Pro Tempore (Latin: at the moment) |
| PT | Production Test |
| PT | Performance Technologies (various locations) |
| PT | Pressure Transducer |
| PT | Post Tensioning (construction) |
| PT | Primary Target |
| PT | Penetration Testing |
| PT | Punctum |
| PT | Post- og Teletilsynet (Norwegian Post and Telecommunications Authority) |
| PT | Perda Total (Brazilian Portuguese: total loss of a insured vehicle) |
| PT | Portsmouth Navy Yard (US Navy) |
| PT | Private Type |
| PT | Panel Truck |
| PT | Potty Trained |
| PT | Total Pressure |
| PT | Pressure Transmitter |
| PT | Product Team |
| PT | Pulsatile Tinitus (sound) |
| PT | Posterior Tibial (pulse) |
| PT | Protección Total (Spanish: Total Protection; various locations) |
| PT | Previous Tweet (social media) |
| PT | Peak Torque |
| PT | Poste e Telecomunicazioni (Italian: Posts and Telecommunications) |
| PT | Pythagorean Theorem |
| PT | Psychiatric Technician |
| PT | Payload Type |
| PT | Proximal Tubule |
| PT | Public Telephone |
| PT | Perseroan Terbatas (Indonesian: Limited Liability Company) |
| PT | Permeability Transition (Mitochondria) |
| PT | Liquid Penetrant Testing (welding) |
| PT | Print Ticket (Windows programming) |
| PT | Patrol Torpedo |
| PT | Postal Telegraph Company (US Navy) |
| PT | Plain Truth |
| PT | People Tree |
| PT | Proton Therapy |
| PT | Prequel Trilogy (Star Wars) |
| PT | Precision Teaching (education strategy) |
| PT | Product Tester |
| PT | Power Turbine |
| PT | Principal Teacher (UK) |
| PT | Pressure-Time |
| PT | Potential Transformer |
| PT | Priston Tale (gaming) |
| PT | Pistoia, Toscana (Italian province) |
| PT | Punch-Through |
| PT | Processing Technician |
| PT | Phototransistor |
| PT | Program Trading |
| PT | Physical Torture |
| PT | Preliminary Training (for ACGs) |
| PT | Pulse Time |
| PT | Pokémon Trainer |
| PT | Point of Tangency |
| PT | Transmitted Power |
| PT | Pepsi Twist |
| PT | Pregnant Teenager |
| PT | Patrol Torpedo Boat |
| PT | Prohibited Transaction (qualified retirement plans) |
| PT | Pain and Torture (nickname for physical therapy) |
| PT | Primary Therapist (mental health therapist) |
| PT | Personal Transponder |
| PT | Pattern Transfer (ITU-T) |
| PT | Project Technology |
| PT | Procedure Turn |
| PT | Process Tool |
| PT | Park Tudor (High School) |
| PT | Pulse Transformer (electrical component in switched power supplies) |
| PT | Portable Terminal |
| PT | Procurement Team |
| PT | Palatin Technologies, Inc (pharmaceuticals) |
| PT | Parallel Time |
| PT | Packaging and Transportation |
| PT | Proficiency Training |
| PT | Pacific Telesis |
| PT | Pride Toronto (Canada) |
| PT | Peace Team |
| PT | Penetrant Test |
| PT | Pistoria (postcode, Italy) |
| PT | Packed Tower |
| PT | Polymer Tip (bullet) |
| PT | Power Tiller |
| PT | Piezoelectric Transformer |
| PT | Professional Tutorials (India MBA Coaching Institute) |
| PT | Periodic Test |
| PT | Pathology Technician |
| PT | Perpetual Tourist |
| PT | Pannier Tank (steam engine) |
| PT | Plymouth Truck |
| PT | Plant Technicians |
| PT | Polymicro Technologies (Phoenix, AZ) |
| PT | Packet Terminal |
| PT | Production Trial |
| PT | Pipeline Time |
| PT | Personal Trooper (anime, Super Robot Wars) |
| PT | Perusahaan Terbatas (Indonesian: Limited Business) |
| PT | Previous Taxpayer |
| PT | President Thai (Pasadena, California restaurant) |
| PT | Pleno Titulo |
| PT | Plain Test |
| PT | Policy Transactions (insurance) |
| PT | Puthiya Tamizhagam (Tamil Nadu political movement) |
| PT | Presumptive Testing |
| PT | Parti de Travailleurs (Workers' Party, Algeria) |
| PT | Patrol Vessel, Motor Torpedo Boat (US Navy) |
| PT | Pembroke Telephone (Georgia) |
| PT | Pulse Thermography |
| PT | Point Tender (medical, palpating to determine fracture) |
| PT | Peltotie (Finnish) |
| PT | Pollination Technician (Alien characters in the Sims 2 game) |
| PT | Penetration Test, Dye (NDE) |
| PT | Payload Transporter |
| PT | Project Technologist |
| PT | Pokemon Treasures (game) |
| PT | Pipeline Typical |
| PT | PERSCO Team |
| PT | Parallel Telemetry |
| PT | Polar Tuberculoid (leprosy) |
| PT | Protection Technology of Los Alamos |
| PT | Project Tanager (Cornell Lab of Ornithology) |
| PT | Principle Tandem |
| PT | Posse Traction |
| PT | Praemisso Titulo (Latin: mention before the title) |
| PT | (USN Rating) Photographic Intelligenceman |
| PT | PLRS Terminal |