| Abbreviation | Definition |
|---|---|
| PIMS | Police Information Management System |
| PIN | Police Information Network |
| PIO | Person Of Indian Origin |
| PIP | Paediatric Investigation Plan |
| PIP | Paediatric Investigation Plans |
| PIP | Partners In Prevention |
| PIP | Partners In Protection |
| PIP | Personal Injury Protection |
| PIP | Personal Interest Partners |
| PIP | Primary Intervention Program |
| PIPES | Pipeline Inspection Protection Enforcement and Safety |
| PIPO | Protect Intellectual Property Online |
| PIS | Prawo i Sprawiedliwość (Polish: Law and Justice) |
| PISB | Private Investigation and Security Board |
| PIT | Police Induction Training |
| PIT | Precision Immobilization Technique |
| PITA | Paranormal Investigation Team of Atlanta |
| PIV | Personal Information Violation |
| PJ | Personal Jurisdiction |
| PJ | Police Judiciaire |