| Acronym | Definition |
|---|
| SLPA | School of Leadership and Professional Advancement (Duquesne University) |
| SLPA | Speech-Language Pathology Assistant |
| SLPA | Shallow Low Pressure Area (meteorology) |
| SLPA | Sri Lanka Port Authority |
| SLPA | Sierra Leone Ports Authority |
| SLPA | Sea Level Pressure Anomaly |
| SLPA | Salt Lake Police Association (Utah) |
| SLPA | Sydney Leather Pride Association |
| SLPA | Sussex Liaison and Progression Accord (UK) |
| SLPA | Securities Lending Performance Analyzer |
| SLPA | San Lorenzo Protected Area |
| SLPA | School of Legal and Public Administration |
| SLPA | Sri Lanka Photo Album |
| SLPA | SLiding Point Arithmetic |
| SLPA | St Lucia Parrot |
| SLPA | Sierra Leone Public Archives |
| SLPA | Saint Louis Psychological Association |
| SLPA | Sri Lanka Parents Association |
| SLPA | Security and Loss Prevention Association |
| SLPA | Single-Layer Patch Antenna |
| SLPA | Socialist Labor Party of America |