| Acronym | Definition |
|---|
| PIRP➣PGE (Prostaglandin E)-Inducible Regulatory Proteins |
| PIRP➣Point and Insurance Reduction Program (New York State Department of Motor Vehicles) |
| PIRP➣Program on Information Resources Policy (Harvard University) |
| PIRP➣Public Information Retrieval Protocol |
| PIRP➣Personality Integration Rehabilitation Program (Arizona) |
| PIRP➣Pre Importation Review Program (US Customs) |
| PIRP➣Pass In Review Practice |