| Acronym | Definition |
|---|
| PSTA➣Pinellas Suncoast Transit Authority (Florida, USA) |
| PSTA➣Pennsylvania State Troopers Association |
| PSTA➣Pennsylvania Science Teachers Association |
| PSTA➣Professional Scripophily Traders Association |
| PSTA➣Palmetto State Teachers Association (Columbia, South Carolina) |
| PSTA➣Parent-Student-Teacher Association |
| PSTA➣Professional Surfing Tour of America |
| PSTA➣Packaging Science and Technology Abstracts |
| PSTA➣Periphyton-Based Stormwater Treatment Area |
| PSTA➣Periphyton Stormwater Treatment Area (Florida) |
| PSTA➣Public Service Training Academy |
| PSTA➣Psilostrophe Tagetina |
| PSTA➣Palm Springs Teachers Association (Palm Springs, CA) |
| PSTA➣Pro Stock Truck Association |
| PSTA➣Pennsylvania State Teachers Association |
| PSTA➣Pak-Swedish Teachers Association |
| PSTA➣Pre-Service Training Academy |
| PSTA➣Pre-Service Teachers in Action |
| PSTA➣PeopleSoft Training Administration |
| PSTA➣Petroleum Services Trading Association |
| PSTA➣Pacific Salmon Treaty Act of 1985 |