| Acronym | Definition |
|---|
| PSSD | Process Unstructured Supplementary Services Data |
| PSSD | Parry Sound Snowmobile District (Canada) |
| PSSD | Pressure Specified Sensory Device (neurosensory testing) |
| PSSD | Philippine Strategy for Sustainable Development |
| PSSD | Post SSRI Sexual Dysfunction |
| PSSD | Production Section Scheduling Designator (US DoD) |
| PSSD | Public Sector Salary Disclosure (Ontario Ministry of Finance) |
| PSSD | Position Sensitive Silicon Detector |
| PSSD | Pseudo Spectral Spatial Domain (method) |
| PSSD | Provinciale Secundaire School Diepenbeek |
| PSSD | Packet Service Systems Development |
| PSSD | Potential Significant Safety Discrepancies |
| PSSD | Physical Security Systems Directorate |
| PSSD | Product Service Systems Design |
| PSSD | Private Schools for Students with Disabilities |