| Abbreviation | Definition |
|---|---|
| NETWORK | International Network Planning Symposium |
| NFAW | National Financial Advisor Week |
| NFC | The National Football Confernce |
| NFEC | National Field Experience Conference |
| NFLC | National Faculty Leadership Conference |
| NFLC | National Federal Lands Conference |
| NFOEC | National Fiber Optic Engineers Conference |
| NFW | Nashville Fashion Week |
| NGPS | National Geospatial Preparedness Summit |
| NGWS | Next Generation Water Summit |
| NHC | National Homebrewers Conference |
| NHC | Northwest Hockey Conference |
| NHPC | National Health Policy Conference |
| NHPC | National HIV Prevention Conference |
| NHPS | National HIV PrEP Summit |
| NIAC | Nebraska-Iowa Athletic Conference |
| NIAC | Northern Indiana Athletic Conference |
| NIAC | Northern Intercollegiate Athletic Conference |
| NIC | Neurofeedback Interchange Conference |
| NICB | National Industrial Conference Board |