| Abbreviation | Definition |
|---|---|
| NUBC | Newcastle University Boat Club |
| NUBC | Nottingham University Boat Club |
| NUGC | Nottingham University Gliding Club |
| NUMC | Newcastle University Mountaineering Club |
| NUSC | Newcastle United Supporters Club |
| NUSC | Newport Uskmouth Sailing Club |
| NUSC | Noblesville United Soccer Club |
| NUTC | Northwestern University Track Club |
| NVBC | Northern Virginia Bird Club |
| NVBC | Northern Virginia Brittany Club |
| NVC | Nederlandse Vliegtippler Club |
| NWAC | North Whidbey Aquatic Club |
| NWBF | North Wales Bolt Fund |
| NWCA | Navy Wives Clubs of America |
| NWCC | North West Cycling Club |
| NWMC | Night Wolves Motorcycle Club |
| NWOC | North West Orienteering Club |
| NWSC | North Whidbey Soccer Club |
| NYCC | New York Country Club |
| NYCC | New York Cycle Club |