| Acronym | Definition |
|---|
| FNI➣Fichier National des Immatriculations (French: National File of Registrations) |
| FNI➣Fonds National d'Investissement (French: National Investment Fund; Algeria) |
| FNI➣Forces Nucléaires à Portée Intermédiaire (French: Intermediate Range Nuclear Forces; treaty) |
| FNI➣Fridtjof Nansen Institute (Norway) |
| FNI➣Financial Network Inc (St Louis, MO) |
| FNI➣Florey Neuroscience Institutes (Melbourne, Australia) |
| FNI➣Fédération Nationale des Infirmières |
| FNI➣Fundamental Networks, Inc (Dallas, TX) |
| FNI➣Fellow of the Nautical Institute |
| FNI➣Filii Nigrantium Infernalium (band) |
| FNI➣Fiber Network Identification |
| FNI➣First Net Impressions (Eau Claire, WI) |
| FNI➣First Node Implementation |
| FNI➣Following Named Individuals |
| FNI➣Foreign National Indirect |
| FNI➣Freelancer News International (UK, India and USA youth journalism effort) |
| FNI➣Future Now Industries (Suzhou, China) |