List of Government Acronyms: P
| Acronym | Agency/Organization/Definition |
| PBGC | Pension Benefit Guaranty Corporation |
| PCA | Permanent Court of Arbitration |
| PDQ | Physician Data Query |
| PENPages | U.S. Agricultural database administered by Pennsylvania State University |
| PFP | Partnership for Peace |
| PHA | Public Housing Agency |
| PIF | Pacific Islands Forum |
| POW/MIA | Prisioner of War/Missing in Action |
| PPQ | Plant Protection and Quarantine |
| PTO | Patent and Trademark Office |
| PUASP | Postal Union of the Americas and Spain and Portugal |
