| Acronym | Definition |
|---|
| PSSR | Power Supply Rejection Ratio (amplifiers) |
| PSSR | Power Solid State Relay |
| PSSR | Pre-Startup Safety Review |
| PSSR | Product Support Sales Representative |
| PSSR | Personal Safety & Social Responsibility (STCW course) |
| PSSR | Pressure System Safety Regulations 2000 (UK) |
| PSSR | Project Scope Summary Report |
| PSSR | Puget Sound Spring Regatta (Seattle, Washington) |
| PSSR | Program Status Subroutine |
| PSSR | Pigment Specific Simple Ratio |
| PSSR | Progressed Sidereal Solar Return (astrology) |
| PSSR | Personnel Specialist Seaman Recruit (USN Rating) |
| PSSR | Parts/Sales Service Representative |