| Acronym | Definition |
|---|
| PspA➣Pneumococcal Surface Protein A |
| PspA➣Public Safety Preservation Act |
| 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 Society of Public Accountants |
| PspA➣Pennsylvania School Press Association |
| 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➣Physician Services Practice Analysis |
| PspA➣Professional Services Procurement Act |
| PspA➣Pingry School Parents' Association (Martinsville, NJ) |
| PspA➣Palm Springs Pilots Association (Springs, California) |
| PspA➣Pressure Static Probe Assembly |
| PspA➣Philippine Society for Public Administration |
| PspA➣Panti Sosial Petirahan Anak |
| PspA➣Parents of Students of Phillips Academy |
| PspA➣Private School Principals Academy |
| PspA➣Press Service Photo Agency |
| PspA➣Petroleum and Submarine Pipelines Act (UK) |
| PspA➣Puget Sound Physicians Association |
| PspA➣Past Service Pension Adjusted |
| PspA➣Passive Solar Products 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➣Piramatiko Scholio Panepistimioy Athinon (Experimental School of the University of Athens; Greece) |
| PspA➣Placed in Service Prior to Arrival |