| Acronym | Definition |
|---|
| FNA | Fars News Agency (Iran) |
| FNA | Flora of North America |
| FNA | Fine-Needle Aspiration (medical) |
| FNA | Fox News Alert |
| FNA | Federal Network Agency (Germany) |
| FNA | Fonds National d'Amorçage (French: National Fund Boot; venture capital) |
| FNA | Flexible Network Architecture |
| FNA | Freetown, Sierra Leone (Lungi Airport) |
| FNA | Fédération Nationale de l'Artillerie (French: National Artillery Federation) |
| FNA | Facteur Natriurétique Auriculaire (French: Atrial Natriuretic Factor) |
| FNA | Facility Needs Assessment (various locations) |
| FNA | Formerly Known As |
| FNA | Florida Nurses Association |
| FNA | Fast Neighbor Advertisement |
| FNA | File Name Attribute |
| FNA | Functional Needs Analysis |
| FNA | Fairbanks Native Association (Fairbanks, AK) |
| FNA | Ford North America (Ford Motor Company) |
| FNA | Final Approach |
| FNA | Fédération du Négoce Agricole (French) |
| FNA | Fédération Nationale Aéronautique (Française) |
| FNA | Flashback News Agency |
| FNA | Financial Need Analysis |
| FNA | Fachnormenausschuß (any German DIN standard, in particular DIN 3380) |
| FNA | Fujitsu Network Architecture |
| FNA | Fukushima Nursing Association (Japan) |
| FNA | Functional Network Architecture |
| FNA | Food and Nutrition Association |
| FNA | Functional Needs Assessment |
| FNA | File Name/Attribute Augmentation Facility |
| FNA | For Necessary Action |
| FNA | Final Network Acceptance |
| FNA | Federación Nacional de Atletismo (Guatemala) |
| FNA | Full Nutrition Assessment |