| Acronym | Definition |
|---|
| SIRP | Signal Regulatory Protein |
| SIRP | Spherically Invariant Random Process |
| SIRP | Sugar Industry Reform Programme (Australia) |
| SIRP | Supreme Invoking Ritual of the Pentagram (Sacred Fraternity of the Cross) |
| SIRP | Society of Independent Roundabout Proprietors |
| SIRP | Supplemental Income at Retirement Plan |
| SIRP | Student-Initiated Retention Programs (education) |
| SIRP | Security Incident Response Plan |
| SIRP | Seismic Integrated Response Planning (earthquakes; Canada) |
| SIRP | Serious Incident Review Panel |
| SIRP | Serious Incident Review Procedure |
| SIRP | Serious Incident Review Process |