| Abbreviation | Definition |
|---|---|
| PFO | Personal Freedom Outreach |
| PFPA | Partnership for Poverty Action |
| PFR | Professional Fund Raising |
| PFRA | Public Fundraising Regulatory Association |
| PFRW | PA Federation of Republican Women |
| PFRW | Pennsylvania Federation of Republican Women |
| PFSR | Physicians For Social Responsibility |
| PFU | Partners for Fish and Wildlife |
| PFV | Primum Familiae Vini |
| PFVC | Partnership For Vulnerable Children |
| PFW | Project FeederWatch |
| PFY | Partnership For Youth, Inc. |
| PGC | Parents of Galactosemic Children, Inc. |
| PGI | Positive Global Impact |
| PGO | Past Grand Officer |
| PHA | Pacific Health Association |
| PHA | Pearl Harbor Associates |
| PHA | Pulmonary Hypertension Association |
| PHF | Pakistan Heart Foundation |
| PHF | Peter Harrison Foundation |