| Abbreviation | Definition |
|---|---|
| PHD | Pizza Home Delivery |
| PHI | Private Health Information |
| PHI | Private Health Insurance |
| PHP(s) | partial hospital program(s) |
| PHQ | Pooling Headquarter |
| PHW | Psychologically Healthy Workplace |
| PI | Penalty Indicator |
| PI | Performance Improvement |
| PI | Performance Index |
| PI | Plant Information |
| PI | Process Innovation |
| PI | Professionalism and Integrity |
| PI | Proforma Invoice |
| PI | Project Idea |
| PI | Provider Independent |
| PIA | Primary Insurance Amount |
| PIBOR | Paris Interbank Offered Rate |
| PIC | Paid In Capital |
| PIC | Project Information Center |
| PIC | Purchase, Integration, and Completion |