| 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) |