| Abbreviation | Definition |
|---|---|
| NFPC | National Federation of Pachyderm Clubs |
| NFSC | National Federation of Stamp Clubs |
| NFSC | Niagara Falls Soccer Club |
| NFYC | North Fambridge Yacht Club |
| NFYC | North Flathead Yacht Club |
| NGA | No Girls Allowed |
| NGC | National G Club |
| NGC | National Garden Clubs |
| NGC | Nintendo Gaming Club |
| NGGC | New Galloway Golf Club |
| NGOC | North Gloucestershire Orienteering Club |
| NHCC | North Hobart Cricket Club |
| NHLB | No Hipster Left Behind |
| NHOC | New Hampshire Outing Club |
| NHRC | New Haven Rowing Club |
| NHYC | Newport Harbor Yacht Club |
| NIC | Nics Information Club |
| NIHC | Northern Ireland Hamster Club |
| NIHC | Northlands Invitational Homing Club |
| NIHC | Nottingham Ice Hockey Club |