| Abbreviation | Definition |
|---|---|
| NVvA | Nederlandse Vereniging voor Arbeidshygiëne |
| NVvA | Nederlandse Vereniging voor Arbeidshygine |
| NVvM | Dutch Society of Microscopy |
| NVvM | Nederlandse Vereniging voor Microscopie |
| NVvN | Dutch Association of Neurosurgeons |
| NVvN | Nederlandse Vereniging van Neurochirurgen |
| NWBS | Near West Bonsai Society |
| NWBS | North West Burlesque Society |
| NWCP | North West Coastal People |
| NWFS | North West Film Society |
| NYAS | New York Academy of Sciences |
| NYF | Norwegian Occupational Hygiene Association |
| NYHS | New-York Historical Society |
| NYMS | New York Manumission Society |
| NYQS | New York Qin Society |
| NYSA | New York Society of Architects |
| NYSR | New York Society of Renderers |
| NYSSPE | New York State Society of Professional Engineers |
| NZASA | New Zealand Association of Social Anthropologists |
| NZATE | New Zealand Association for the Teaching of English |