| PTA | Packet Traffic Arbitration 
| Others |
| PTA | Pain Torture And Agony
| Others |
| PTA | Paint Trim Assembly
| Others |
| PTA | Pak (Pakistan) Telecommunication Authority
| Others |
| PTA | Pakistan Telecommunication Authority
| Others |
| PTA | Pakistan Telecommunications Authority
| Others |
| PTA | Paper Trade Associates
| Others |
| PTA | Papyrus Trans Am
| Others |
| PTA | Parachute Tactical Assault
| Military |
| PTA | Paralegal Transcendual Algorithms
| Others |
| PTA | Paranormal Teraindustriational Activators
| Others |
| PTA | Paranormal Transindustriational Activators
| Others |
| PTA | Parent & Teacher Association
| Others |
| PTA | Parent Teacher Association
| Others |
| PTA | Parent teachers association
| Others |
| PTA | Parent-Teacher Association
| Others |
| PTA | Parents and Teachers Association
| Others |
| PTA | Parents Talk A-Lot
| Others |
| PTA | Parents Talking Alot
| Others |
| PTA | Parents Teachers Association
| Others |
| PTA | Part Throttle Acceleration
| Others |
| PTA | Part Time Alcoholics
| Others |
| PTA | Particle Testing Authority
| Others |
| PTA | Partido Trabajador de Albania
| Others |
| PTA | Partly Trained Apes
| Others |
| PTA | Passenger Transport Authority
| Others |
| PTA | Passenger Transportation Act
| Others |
| PTA | Patch Trading Addiction
| Others |
| PTA | Payable Through Account
| Others |
| PTA | Penalty Time Averaged
| Others |
| PTA | Pennsylvania Towing Association
| Others |
| PTA | Peoples Trade Alliance
| Others |
| PTA | Percutaneous Transluminal Angioplasty
| Others |
| PTA | PeriTonsillar Abscess
| Others |
| PTA | Persistant Text Array
| Others |
| PTA | Persistent Truncus Arteriosus
| Others |
| PTA | Personal Telecommunications Assistant
| Others |
| PTA | Personal Time Alone
| Others |
| PTA | Personal Time Away
| Others |
| PTA | Personal Travel Assistant
| Others |
| PTA | Petite Tannante Aggressive
| Others |
| PTA | Physical Terminal Address
| Others |
| PTA | Physical Therapist Assistant
| Others |
| PTA | Physical Therapist Assistants
| Others |
| PTA | Physical Therapy Assistant
| Others |
| PTA | Phytophthora taxon Agathis
| Others |
| PTA | Pilipinas Taj Autogroup
| Others |
| PTA | Pilotless Target Aircraft
| Others |
| PTA | Pixel Tapestry Architecture
| Others |
| PTA | Pizza Takeout Association
| Others |
| PTA | Plasma Thromboplastin Antecedent
| Others |
| PTA | Plataformas de Trabajadores Anticapitalistas
| Others |
| PTA | Please Try Again
| Others |
| PTA | Plenty of Tasks Ahead
| Others |
| PTA | Pohakaloa Training Area
| Others |
| PTA | Pohakuloa Training Area
| Others |
| PTA | Polynomial Time Algorithm
| Others |
| PTA | Pontiac Trans Am
| Others |
| PTA | Port Alsworth, Alaska USA
| Others |
| PTA | Position, Time, Altitude
| Others |
| PTA | Post Traumatic Amnesia
| Others |
| PTA | Post-Test Analysis
| Others |
| PTA | Post-Traumatic Amnesia
| Others |
| PTA | Posterior Tibial Artery
| Others |
| PTA | Potential Toxic Area
| Others |
| PTA | Power To Accept
| Others |
| PTA | PPP (Pont-to-Point Protocol) Termination Aggregation
| Others |
| PTA | Ppp Termination Aggregation
| Others |
| PTA | Practical Teaching Assignment
| Others |
| PTA | Pre Trial Agreement
| Others |
| PTA | Pre-Transmission Audit
| Others |
| PTA | Pre-Treatment Assessment
| Others |
| PTA | Precious Teacher Association
| Others |
| PTA | Predicted Transmitting Ability
| Others |
| PTA | Preferential Trade Agreement
| Others |
| PTA | Preferential Trade Area
| Others |
| PTA | Preferential Trade Arrangement
| Others |
| PTA | Preferential Trading Area
| Others |
| PTA | Preferential Treatment Accelerator
| Others |
| PTA | Premium Technology Architecture
| Others |
| PTA | Premium Transverse Architecture
| Others |
| PTA | Prepaid Ticket Advice
| Others |
| PTA | Pretty Terrific Afternoon
| Others |
| PTA | Pretty Tired Already
| Others |
| PTA | Prior To Admission
| Others |
| PTA | Prior To Arrival
| Others |
| PTA | Privileged Threat Analytics
| Others |
| PTA | Problem Tracking and Administration
| Others |
| PTA | Procrustes Target Analysis
| Others |
| PTA | Project Task and Awards
| Others |
| PTA | Promiscuous TeenAger
| Others |
| PTA | Promise To Attend
| Others |
| PTA | Propulsion Test Article
| Others |
| PTA | Protocolo de Transferencia de Archivos (File Transfer Protocol)
| Others |
| PTA | Provincial Towing Association
| Others |
| PTA | Public Transit Association
| Others |
| PTA | Public Transport Agency
| Others |
| PTA | Public Transport Authority
| Others |
| PTA | Pupil Teacher Allowance
| Others |
| PTA | Pure Tone Average
| Others |
| PTA | Purified Terephthalic Acid
| Others |
| PTA | Push Them Away
| Others |
| PTA | Takes Action
| Others |