| Acronym | Definition |
|---|
| PSPA | Professional School Photographers Association |
| PSPA | Past Service Pension Adjustment |
| PSPA | Political Science and Public Administration |
| PSPA | Pacific Seafood Processors Association |
| PSPA | Pennsylvania Society of Physician Assistants |
| PSPA | Pennsylvania School Press Association |
| PSPA | Pennsylvania Society of Public Accountants |
| PSPA | Portable Seismic Pavement Analyzer |
| PSPA | Professional Ski Patrol Association |
| PSPA | Preferred Stock Purchase Agreement |
| PSPA | Photoluminescent Safety Products Association |
| PSPA | Political Studies and Public Administration |
| PSPA | Peace Support Psychological Activities |
| PSPA | Professional School Photographers of America |
| PSPA | Professional Services Procurement Act |
| PSPA | Physician Services Practice Analysis |
| PSPA | Pingry School Parents' Association (Martinsville, NJ) |
| PSPA | Palm Springs Pilots Association (Springs, California) |
| PSPA | Philippine Society for Public Administration |
| PSPA | Pressure Static Probe Assembly |
| PSPA | Parents of Students of Phillips Academy |
| PSPA | Panti Sosial Petirahan Anak |
| PSPA | Private School Principals Academy |
| PSPA | Press Service Photo Agency |
| PSPA | Passive Solar Products Association |
| PSPA | Past Service Pension Adjusted |
| PSPA | Petroleum and Submarine Pipelines Act (UK) |
| PSPA | Puget Sound Physicians Association |
| PSPA | Program Standards Project Authority |
| PSPA | Phantom Sleep Page Apnea |
| PSPA | Prevention System for Platform Accidents |
| PSPA | Public Service Pensioner Association |
| PSPA | Performance Solution Performance Advisor |
| PSPA | Placed in Service Prior to Arrival |
| PSPA | Piramatiko Scholio Panepistimioy Athinon (Experimental School of the University of Athens; Greece) |