| Abbreviation | Definition |
|---|---|
| PLAR | Przeglad Lotniczy Aviation Revue |
| PLAR | Przegld Lotniczy Aviation Revue |
| PLSN | Projection Lights and Staging News |
| PMC | Penske Media Corporation |
| PMC | Print Media Corporation |
| PMFD | Print Media Future Day |
| PMPC | Pacific Media Partnership Conference |
| PMRM | Perpendicular Magnetic Recording Media |
| PNA | Philippine News Agency |
| PNA | Philippines News Agency |
| PNF | Pokemon News Flash |
| PNG | Providence Newspaper Guild |
| PNL | Patho News Live |
| PNL | Pharm News Live |
| PNN | Palestine News Network |
| PNN | Palmerston North News |
| PNN | PeaksNewsNet |
| PNN | Penn News Network |
| PNN | Pride Nation Network |
| PNS | Public News Service |