| Acronym | Definition |
|---|
| SSIP | Systems, Signals and Image Processing (workshop) |
| SSIP | Superior Supplier Incentive Program (US Navy) |
| SSIP | Seven Stars in Paradise (musical comedy) |
| SSIP | Safety Schemes in Procurement (UK) |
| SSIP | Shuttle Student Involvement Program (NASA) |
| SSIP | Savings and Stock Investment Plan |
| SSIP | Sensor System Improvement Program |
| SSIP | Space Science Student Involvement Program (now NSIP) |
| SSIP | Supplemental Structural Inspection Program |
| SSIP | Solvent-Separated Ion Pair |
| SSIP | System Safety Implementation Plan |
| SSIP | South Side Irish Parade |
| SSIP | Site Specific Installation Permit |
| SSIP | Stazione Sperimentale Pelli (Italy) |
| SSIP | Speech Synthesis Interface Protocol (computer programming) |
| SSIP | Sensor Site Implementation Plan |
| SSIP | Social Sector Investment Programme (Trinidad & Tobago) |
| SSIP | Simple Session Initiation Protocol. |
| SSIP | Ship Support Improvement Program/Project |
| SSIP | Submarine Sonar Improvement Project |
| SSIP | Surrogate System Implementation Plan |
| SSIP | System Setup Indicator Panel |
| SSIP | Social- og Specialpædagogik i Inkluderende Perspektiv (Danish: Social and Pedagogy in Inclusive Perspective) |