| NFI | Nameplates for Industry 
| Others |
| NFI | Nashville Film Institute
| Others |
| NFI | National Fatherhood Initiative
| Others |
| NFI | National Fireplace Institute
| Others |
| NFI | National Fisheries Center
| Others |
| NFI | National Fisheries Institute
| Others |
| NFI | National Fisheries Institute (USA)
| Others |
| NFI | National Fleet Incentive
| Others |
| NFI | National Foreign Intelligence
| Others |
| NFI | National Forest Inventory
| Others |
| NFI | National Fraud Initiative
| Others |
| NFI | Near Field Imaging
| Others |
| NFI | Negros For Incest
| Others |
| NFI | Neighborhood Farm Initiative
| Others |
| NFI | Nerve Function Impairment
| Others |
| NFI | Net Farming Income
| Others |
| NFI | Net Foreign Investment
| Others |
| NFI | Netball Federation of India
| Others |
| NFI | Networks Financial Institute
| Others |
| NFI | Neurobehavioral Functioning Inventory
| Others |
| NFI | neurofibromatosis I
| Others |
| NFI | NeuroFibromatosis, Inc.
| Others |
| NFI | New Fashion International
| Others |
| NFI | New Flyer Industries
| Others |
| NFI | New From Instance
| Others |
| NFI | New Frontiers International
| Others |
| NFI | Next Frontier Inclusion
| Others |
| NFI | No F***ing Idea
| Others |
| NFI | No Financial Interest
| Others |
| NFI | No Fiscal Impact
| Others |
| NFI | No Further Information
| Others |
| NFI | Non Federal Issuer
| Others |
| NFI | Non Ferrous Impeller
| Others |
| NFI | Non Financial Information
| Others |
| NFI | Non Food Item
| Others |
| NFI | Non Food Items
| Others |
| NFI | Non Frequent Item
| Others |
| NFI | Non Functional Intelligence
| Others |
| NFI | Non-Food Item
| Others |
| NFI | Non-Food Items
| Others |
| NFI | Nordisk Finmekanik Industri
| Others |
| NFI | Northeastern Family Institute
| Others |
| NFI | Nuclear Factor I
| Others |
| NFI | Number Format Information
| Others |