| Acronym | Definition |
|---|
| PFN | Proximal Femoral Nail |
| PFN | Printer File Name |
| PFN | Public Fiber Network |
| PFN | Physical File Name |
| PFN | La Pinifación Familiar Natural (Spanish: Natural Family Planning) |
| PFN | Prompt Fission Neutron (nuclear engineering) |
| PFN | Pulse Forming Network |
| PFN | Pentecostal Fellowship of Nigeria |
| PFN | Page Frame Number |
| PFN | Panama City, FL, USA (Airport Code) |
| PFN | Past Faithful Navigator (Knights of Columbus) |
| PFN | Program File Number (logic controllers) |
| PFN | Psychic Friends Network |
| PFN | Pooping Friends Network |
| PFN | Physical File Name (grid computing) |
| PFN | Prison Fellowship Norway |
| PFN | Pennsylvania Football News |
| PFN | Premiere Fondation de la Nation (French) |
| PFN | Procédures de Fabrication Normalisée (Hema Quebec, blood service in Canada) |
| PFN | Pokemon Fusionists of Newgrounds |
| PFN | Point For Negotiation |
| PFN | Peace for Now |
| PFN | Passamaquoddy Ferry and Navigation Company |
| PFN | Prisons Fellowship of Nigeria (Nigeria) |
| PFN | Prisoner File Number (Santa Clara County Department of Corrections) |