| Acronym | Definition |
|---|
| NFF | Nigeria Football Federation (formerly Nigeria Football Association) |
| NFF | National Farmers Federation (Australia) |
| NFF | National Football Foundation |
| NFF | Norsk Fysioterapeutforbund (Norwegian: Norwegian Physiotherapist Association) |
| NFF | National File Format |
| NFF | Napoli Film Festival (Napoli, Italy) |
| NFF | National Forest Foundation |
| NFF | Neutral File Format |
| NFF | No Fault Found |
| NFF | Noordelijk Film Festival (Netherlands) |
| NFF | National Folk Festival |
| NFF | National Flag Foundation (Pittsburgh, PA) |
| NFF | New Forms Festival (Canada) |
| NFF | National Fishworkers' Forum (India) |
| NFF | New Found Friend |
| NFF | Nantucket Film Festival (Nantucket, MA) |
| NFF | National Fingerprint File (a component of the Interstate Identification Index) |
| NFF | Norwegian Film Fund |
| NFF | Notes Flat File Format |
| NFF | Norges Fotografforbund (Norwegian Association of Professional Photographers) |
| NFF | Netherlands Film Festival (est. 1982; Netherlands) |
| NFF | Naval Families Federation |
| NFF | Norske Fotterapeuters Forbund |
| NFF | Normal Flow Filtration (bio-industry) |
| NFF | National Filling Factory (UK) |
| NFF | Non-Fixable Failure |
| NFF | Nagano Futsal Federation (sports league; Nagano, Japan) |
| NFF | Norwegian Freakforum |
| NFF | Numbered Fleet Flagship |