 Fine-Needle Aspiration | Medical |
| Fujitsu Network Architecture | Common |
| Fast Neutron Analysis | Science |
| Femoral Neck Anteversion | Medical |
| Final Network Acceptance | Military |
| Fine Needle Aspirates | Medical |
| Fine Needle Aspiration | Medical |
| Fine Needle Aspiration Biopsies | Medical |
| Fine Needle Aspiration Cytology | Medical |
| Fine-Needle Aspirate | Medical |
| Fine-Needle Aspiration Biopsy | Medical |
| Fine-Needle Aspirations | Medical |
| Fixed Nuclei Approximation | Common |
| Florida Nurses Association | Medical |
| Food Needs Assessment | Common |
| Forty-Niner Academy | Education |
| Fuming Nitric Acid | Common |
| Functional Needs Analysis | Military |
| Functional Network Architecture | Military |