| Acronym | Definition |
|---|
| PPTA | Plasma Protein Therapeutics Association |
| PPTA | project preparatory technical assistance |
| PPTA | Post Primary Teachers Association (New Zealand) |
| PPTA | Post Primary Teachers' Association (New Zealand) |
| PPTA | Public-Private Transportation Act of 1995 |
| PPTA | Pennsylvania Physical Therapy Association |
| PPTA | Pennsylvania Public Transportation Association |
| PPTA | Parkes Pulsar Timing Array |
| PPTA | Professional Property Tax Appeals (Michigan) |
| PPTA | Professional Platform Tennis Association |
| PPTA | Persistent Primitive Trigeminal Artery |
| PPTA | Poly Phenylene Terephthalamide |
| PPTA | Philippine Physical Therapy Association, Inc. |
| PPTA | Peripheral Percutaneous Transluminal Angioplasty |
| PPTA | Pre-Physical Therapy Association |
| PPTA | Probabilistic Prefix Tree Acceptor |
| PPTA | Para-Phenylen-Terephthalamid |
| PPTA | Piece Part Thermal Analysis |
| PPTA | Prairie People Tourism Association (Kansas) |
| PPTA | Pay Period Tax Adjustment |