| Abbreviation | Definition |
|---|---|
| NNRC | Newark News Radio Club |
| NNSC | Nooksack Nordic Ski Club |
| NNSSC | Niagara Northern Stars Soccer Club |
| NNSSC | Northern Nevada Shetland Sheepdog Club |
| NOAC | New Orleans Athletic Club |
| NOBC | New Orleans Bicycle Club |
| NOBUS | No One But US |
| NOCC | New Orleans Country Club |
| NOCC | North Oaks Corvette Club |
| NOCI | Northwest Obedience Club Inc |
| NOL | Neighborhoods On-Line |
| NONC | North Okanagan Naturalist Club |
| NONC | North Okanagan Naturalists Club |
| NOPC | New Orleans PC Club |
| NOSCO | Naval Officers Spouses Club of Okinawa |
| NPAC | North Penn Aquatic Club |
| NPCP | National Private Club Practice |
| NPFC | Noble Park Football Club |
| NPRC | Needham Pool And Racket Club |
| NPRC | Needham Pool and Racquet Club |