| NAFI | National Association of Fire Investigators 
| Others |
| NAFI | National Association of Flight Instructors
| Others |
| NAFI | National Association of Fraud Investigators
| Others |
| NAFI | National Association of Fugitive Investigators
| Others |
| NAFI | National Ataxia Foundation, Incorporated
| Others |
| NAFI | National Automotive Fibers Inc.
| Others |
| NAFI | Naval Avionics Facility Indianapolis
| Others |
| NAFI | No Ambition F*** all Interest
| Others |
| NAFI | Non-Appropriated Fund Instrumentality
| Others |
| NAFI | North American Family Institute
| Others |
| NAFI | North American Forum on Integration
| Others |