| Acronym | Definition |
|---|
| PPSD➣Proposed |
| PPSD➣Password Protector SD (website security program) |
| PPSD➣Peoples Social Democratic Party (Djibouti) |
| PPSD➣Personal Portable Security Device |
| PPSD➣Providence Public School Department (Providence, Rhode Island) |
| PPSD➣Plant Protection Sub-Department (Vietnam) |
| PPSD➣Purple Pixels Simple Data (content management system) |
| PPSD➣Pierre Public School District (Pierre, SD) |