| PSSD | Parry Sound Snowmobile District 
| Others |
| PSSD | Pastel Society Of San Diego
| Others |
| PSSD | Peripheral Specified Sensory Device
| Others |
| PSSD | Personnel Service Support Division
| Others |
| PSSD | Philippine Strategy For Sustainable Development
| Others |
| PSSD | Position Sensitive Silicon Detector
| Others |
| PSSD | Post SSRI Sexual Disorder
| Others |
| PSSD | Post SSRI Sexual Dysfunction
| Others |
| PSSD | Presence Sensing And Safeguarding Device
| Others |
| PSSD | Presence Sensing Safety Device
| Others |
| PSSD | Pressure Specified Sensory Device
| Others |
| PSSD | Pressure Specifying Sensory Device
| Others |
| PSSD | Problem Solving Software Development
| Others |
| PSSD | Process Software Solutions Department
| Others |
| PSSD | Process Unstructured Supplementary Services Data
| Others |
| PSSD | Procurement And Support Services Division
| Others |
| PSSD | Product Service System Design
| Others |
| PSSD | Prvniho Slovackeho Sporitelniho Druzstva
| Others |
| PSSD | Pyramidal Spine Synapse Density
| Others |