| Acronym | Definition |
|---|
| SSSP | Society for the Study of Social Problems |
| SSSP | Student Support Services Program |
| SSSP | Single-Source Shortest Path |
| SSSP | Sun, Sex & Suspicious Parents |
| SSSP | Seafood Spoilage and Safety Predictor (software) |
| SSSP | Society of Southeastern Social Psychologists |
| SSSP | Site Safeguards and Security Plan (Dept of Energy) |
| SSSP | Saskatchewan Summer Star Party (Cypress Hills Inter-provincial Park astronomy event) |
| SSSP | Site Specific Safety Plan |
| SSSP | Solid State Shear Pulverization |
| SSSP | Skinheads Still Scare People (New York band) |
| SSSP | Simulation of Single-Sludge Processes |
| SSSP | Seed Sector Support Project |
| SSSP | Smith Summer Science Program |
| SSSP | Social Services Strategic Planning (UK) |
| SSSP | Space Station Safety Program |
| SSSP | Small-Scale Salt Producers |
| SSSP | Sydney Symposium of Social Psychology (University of New South Wales, Sydney, Australia) |
| SSSP | Steady State Security Posture |
| SSSP | Supplier's Suggested Selling Price |
| SSSP | Satellite Systems Survivability Program |
| SSSP | Ship Systems Status Program |
| SSSP | Ship System Status Program |
| SSSP | Site Specific Spill Plan |