| Acronym | Definition |
|---|
| PTA➣Parent-Teacher Association |
| PTA➣Please Try Again |
| PTA➣Physical Therapist Assistant |
| PTA➣Pakistan Telecommunication Authority |
| PTA➣Parents to Avoid |
| PTA➣Public Transport Agency (various locations) |
| PTA➣Public Transport Authority (Australia) |
| PTA➣Pure-Tone Audiometry (hearing test) |
| PTA➣Property Tax Administration (various states) |
| PTA➣Phosphotungstic Acid |
| PTA➣Percutaneous Transluminal Angioplasty |
| PTA➣Passenger Terminal Amsterdam (Netherlands) |
| PTA➣Physical Therapy Associates (various locations) |
| PTA➣Purified Terephthalic Acid |
| PTA➣Personal Travel Agent |
| PTA➣Pohakuloa Training Area (US Army; Hawaii) |
| PTA➣Paul Thomas Anderson (director) |
| PTA➣Ppp Termination Aggregation |
| PTA➣Pixel Tapestry Architecture |
| PTA➣Personal Travel Assistant |
| PTA➣Prevention of Terrorism Act (UK) |
| PTA➣Post Traumatic Amnesia |
| PTA➣Per Theater Average (financial statistic) |
| PTA➣Preferential Trade Agreement |
| PTA➣Pharmazeutisch-Technische Assistentin (German Profession in Medical Sector) |
| PTA➣Public Transportation Account (California) |
| PTA➣Prior To Admission |
| PTA➣Primetime Adventures |
| PTA➣Privacy Threshold Analysis (information security) |
| PTA➣Prior To Arrival |
| PTA➣Prepaid Ticket Advice |
| PTA➣Pure Tone Average (hearing exams) |
| PTA➣Plasma Thromboplastin Antecedent (blood coagulation factor XI) |
| PTA➣Patent Term Adjustment |
| PTA➣Peddle Thorp Architects (Australia) |
| PTA➣Planes, Trains, and Automobiles |
| PTA➣Pietà (postal locality, Malta) |
| PTA➣Passenger Transport Authority |
| PTA➣Peritonsillar Abscess |
| PTA➣Power Tool Accessories |
| PTA➣Problem Tree Analysis (logic) |
| PTA➣Predicted Transmitting Ability |
| PTA➣Preliminary Technical Assessment |
| PTA➣Parent and Teacher Association |
| PTA➣Pilotless Target Aircraft |
| PTA➣Promise to Appear (in court) |
| PTA➣Picatinny Arsenal |
| PTA➣Physiotherapy Assistant |
| PTA➣Patellar Tendon Angle (orthopedics) |
| PTA➣Pressure Transient Analysis |
| PTA➣Project, Task, Award (various universities) |
| PTA➣Spanish Peseta (national currency) |
| PTA➣Provincial Training Allowance |
| PTA➣Pension Term Assurance (insurance) |
| PTA➣Parasympathetic Tone Activity |
| PTA➣Packed Tower Aeration |
| PTA➣Plain Text Alternative (email) |
| PTA➣Point of Total Assumption |
| PTA➣Pennsylvania Telephone Association |
| PTA➣Postcard Traders Association (UK) |
| PTA➣Public Transport Association |
| PTA➣Points-To Analysis |
| PTA➣Pre-Trial Agreement |
| PTA➣Pulsar Timing Array |
| PTA➣Performance Textiles Association (UK) |
| PTA➣Pre-Travel Authorization |
| PTA➣PPP Termination and Aggregation |
| PTA➣Propagation Time Asymmetry |
| PTA➣Pianoforte Tuners' Association (UK) |
| PTA➣Primary Training Audience |
| PTA➣Petrograd Telegraph Agency (ROSTA predecessor 1914-1918) |
| PTA➣Public Technology Assistant |
| PTA➣Principal Technical Advisor |
| PTA➣Personal Test Automation (SONET) |
| PTA➣Page Table Address |
| PTA➣Post and Telekom Austria |
| PTA➣Paid Time Away |
| PTA➣Paducah Transit Authority (Kentucky, USA) |
| PTA➣Partition Top Anchors (construction) |
| PTA➣Play to Air (broadcasting) |
| PTA➣Planarized-Trench Aluminum |
| PTA➣Proposed Technical Approach(es) |
| PTA➣Pot Tending Assembly (aluminium industry) |
| PTA➣Personal Trust Assistant |
| PTA➣Pitch Trim Actuator |
| PTA➣Propellant Tank Assembly |
| PTA➣Primary Target Area |
| PTA➣Passive Tracking Algorithm |
| PTA➣Pre-Task Analysis |
| PTA➣Planned Time of Arrival |
| PTA➣Progeny Transmitting Ability (breeding) |
| PTA➣Programmed Time of Arrival |
| PTA➣Parents and Taxpayers for Accountability |
| PTA➣Paper Traders Association (India) |
| PTA➣Primary Training Activities |
| PTA➣Program Transfer Agreement |
| PTA➣Provincial Telecommunication Authority (China) |
| PTA➣Precise Timing and Astrometry |
| PTA➣Phase Transition Analyser |
| PTA➣Personal Threat Alarm |
| PTA➣Physical Terminal Address |
| PTA➣Platform Technical Advisor |
| PTA➣Product Test Authorization |
| PTA➣Pope and Talbot Line (railroad) |
| PTA➣Proficiency Training Aircraft |
| PTA➣Predicted Target Area (US Navy) |
| PTA➣Pre-Tendering Approval (ElectronicTender) |