| Abbreviation | Definition |
|---|---|
| NARC | North Atlanta Riding Club |
| NARC | Northland Antique Radio Club |
| NARC | The Nashua Area Radio Club |
| NASC | Norfolk Arsenal Supporters Club |
| NASC | North Alabama Shell Club |
| NATC | North American Teckel Club |
| NAYD | National Association of Yoruba Descendants |
| NBAC | Newport Beach Athletic Club |
| NBAC | North Baltimore Aquatic Club |
| NBBC | Nettle Bay Beach Club |
| NBBC | North Brooklyn Boat Club |
| NBBC | Northeast Big Buck Club |
| NBCB | N Bahn Club Basel |
| NBCU | National Block Club University |
| NBLC | North Brisbane Lapidary Club |
| NBRC | National Birmingham Roller Club |
| NBSC | New Berlin Soccer Club |
| NBSC | New Berlin Swim Club |
| NBSC | North Branford Soccer Club |
| NBSC | North Bristol Sportsmans Club |