| Acronym | Definition |
|---|
| PSSP➣Protected Storage System Provider |
| PSSP➣Parallel System Support Programs |
| PSSP➣People's Solidarity for Social Progress (est. 1998) |
| PSSP➣Professional Student Services Personnel |
| PSSP➣Parallel System Support Program (IBM) |
| PSSP➣Penicillin Susceptible Streptococcus Pneumoniae |
| PSSP➣Potomac Society of Stereo Photographers |
| PSSP➣Prostitutes' Safe Sex Project |
| PSSP➣Personnel Security and Surety Program |
| PSSP➣Peer Sexuality Support Programme (New Zealand) |
| PSSP➣Pre-Separation Services Program |
| PSSP➣Prefreshman Summer Science Program (Spelman College; Atlanta, GA) |