| Acronym | Definition |
|---|
| NFA | National Fire Academy |
| NFA | National Fibromyalgia Association |
| NFA | National Food Authority (Philippines) |
| NFA | Newburgh Free Academy (High School, New York) |
| NFA | No Further Action |
| NFA | National Flute Association |
| NFA | Nigeria Football Association (now Nigeria Football Federation) |
| NFA | Not Fade Away |
| NFA | National Firearms Act of 1934 |
| NFA | National Firearms Association (Canada) |
| NFA | Nondeterministic Finite Automaton |
| NFA | National Forest Authority |
| NFA | National Forensic Association |
| NFA | Name Field Address |
| NFA | Noise-Figure Analyzer |
| NFA | National Fireworks Association |
| NFA | National Farmers Association (St. Lucia) |
| NFA | National Film Archives |
| NFA | No Fire Area (military) |
| NFA | Nondeterministic Finite State Automata |
| NFA | National Flight Academy |
| NFA | Number of False Acceptances (biometrics) |
| NFA | National Forestry Association |
| NFA | Nykøbing Falster Alliancen (Danish soccer club) |
| NFA | No Forwarding Address |
| NFA | Notes for Authors (publishing, especially scientific journals) |
| NFA | Nerve Fiber Analysis |
| NFA | Not For Air (broadcasting industry) |
| NFA | Non Functioning Adenomas |
| NFA | Atlantic Needlefish (FAO fish species code) |
| NFA | No Future Ambition |
| NFA | Norwich Financial Advice (UK) |
| NFA | Non-Functional Aspect |
| NFA | Naval Fuel Annex |
| NFA | Northwest Florists' Association |
| NFA | No Flow Assembly |
| NFA | National Federation Anglers (UK) |
| NFA | Network Facility Access (switch protocol) |
| NFA | Not Fit for Army |
| NFA | No Fixed Abode (police) |
| NFA | National Futures Association |
| NFA | Net Floor Area |
| NFA | Nippon Finance Association (est. 1993) |
| NFA | New Financial Architecture |
| NFA | National Franchisee Association |
| NFA | Need for Assistance |
| NFA | No Fixed Address (gaming clan) |
| NFA | Norwich Free Academy (Connecticut independent high school) |
| NFA | North Florida Area |
| NFA | National Film Awards (India) |