PTA

PTA may refer to:

Organizations

• Andalusia Technology Park (PTA)
• Parent-Teacher Association
• Pakistan Telecommunication Authority
• Passenger Transport Authority, a United Kingdom government authority
• Public Transport Authority (Western Australia)
• Public Transport Authority (Denmark)

Science and medicine

• Percutaneous transluminal angioplasty, a surgical procedure
• Physical Therapist Assistant
• Plasma thromboplastin antecedent, a blood enzyme
• Post-traumatic amnesia, a state of confusion following a traumatic brain injury
• Pure tone audiometry, a hearing test
• Purified terephthalic acid, an organic compound used to make polyester
• Peritonsillar abscess
• Pulsar timing array

Other uses

• Paul Thomas Anderson, American filmmaker
• Planes, Trains and Automobiles, a film
• Pohakuloa Training Area‎, a military training facility
• Point of total assumption, a contract term
• Preferential trading area, a type of trading bloc

• Pretoria, the administrative and de facto capital of South Africa
• Prevention of Terrorism Act, the name of several Acts of Parliament
• program test authority, after a construction permit but before a broadcast license