PFNA
| Acronym | Definition |
|---|---|
| PFNA | Perfluorononanoic Acid |
| PFNA | Pulsed Fast-Neutron Analysis |
| PFNA | Pentecostal Fellowship of North America (est. 1948) |
| PFNA | Proximal Femoral Nail Anti-Rotation (fracture treatment) |
| PFNA | Public Facilities Needs Assessment (various locations; city planning) |
| PFNA | Percutaneous Fine-Needle Aspiration (biopsy) |
| PFNA | Pour Feliciter Nouvel An (French: Happy New Year) |