| Abbreviation | Definition |
|---|---|
| NBTC | Builders Toastmasters Club |
| NBTC | Newport Beach Tennis Club |
| NCA | Newfoundland Club of America |
| NCAC | North Cascades Athletic Club |
| NCBC | New College Boat Club |
| NCBC | Newnham College Boat Club |
| NCC | Northampton Cycling Club |
| NCCA | Nash Car Club Of America |
| NCCC | Non Camper Counselor Club |
| NCCC | North County Cycle Club |
| NCCC | Northern California Contest Club |
| NCCCC | Northern California Council of Camera Clubs |
| NCCCC | Northern Counties Chow Chow Club |
| NCCS | National Car Club Show |
| NCDC | National Capital Daylily Club |
| NCDC | Northern California Driving Club |
| NCFC | North Carolina Football Club |
| NCGC | North Country Garden Club |
| NCMC | Niagara County Motorcycle Club |
| NCNC | Newfoundland Club of Northern California |