| Acronym | Definition |
|---|
| PSID | Panel Study of Income Dynamics |
| PSID | Post Script Image Data |
| PSID | Product Set Identification |
| PSID | Private System Id |
| PSID | Published Subject Identifier |
| PSID | Panel Study on Income Dynamics |
| PSID | Pounds per Square Inch Differential |
| PSID | PlaySID (format for Commodore 64 music) |
| PSID | Photon Stimulated Ion Desorption |
| PSID | Product Support Integration Directorate |
| PSID | Payment Slip Identifier (Pakistan) |
| PSID | Private System Identification |
| PSID | Preliminary Safety Information Document |
| PSID | Patrol Seismic Intrusion Detector |
| PSID | Preferred Supplier Inspection Delegation (Boeing) |
| PSID | pointer to security identifier |
| PSID | Persons with Disabilities' Self-Initiative to Development |
| PSID | Persons with Disabilities Self-Initiative to Development (Bangladesh Protibandhi Kallyan Somity) |
| PSID | Phillip Sides Interior Design (Santa Rosa Beach FL) |
| PSID | Public Safety Identification |
| PSID | Platoon Seismic Intrusion Device |