| FNI | False Negative Identification
| Others |
| FNI | False Negative Ion
| Others |
| FNI | Family Nurture Intervention
| Others |
| FNI | Fattah Neuroscience Initiative
| Others |
| FNI | Federation of Newfoundland Indians
| Others |
| FNI | Fiber Network Identification
| Others |
| FNI | Field Neurosciences Institute
| Others |
| FNI | Fielding Nair International
| Others |
| FNI | Financial Network Inc
| Others |
| FNI | First National Insurance
| Others |
| FNI | First Node Implementation
| Others |
| FNI | Fisher Nickel inc
| Others |
| FNI | Florey Neuroscience Institutes
| Others |
| FNI | Following Named Individuals
| Others |
| FNI | Football News India
| Others |
| FNI | for N input
| Others |
| FNI | Fridtjof Nansen Institute
| Others |
| FNI | Front For National Integration
| Others |
| FNI | Future Now Industries
| Others |
| FNI | Nimes, France
| Others |