| Abbreviation | Definition |
|---|---|
| NRSB | Nottinghamshire Royal Society for the Blind |
| NRWAdW | Nordrhein-Westfälische Akademie der Wissenschaften |
| NRWAdW | Nordrhein-Westflische Akademie der Wissenschaften |
| NRWAdW | North-Rhine-Westphalia Academy of Sciences and Humanities |
| NSA | National Society of Accountants |
| NSA | National Society of Athletes |
| NSAE | National Society of Architectural Engineers |
| NSAE | Nebraska Society of Association Executives |
| NSAE | Nevada Society of Association Executives |
| NSAM | Nordic Society for Arctic Medicine |
| NSAP | Nigerian Society for Animal Production |
| NSBC | National Society of Blacks in Computing |
| NSBE | National Society of Black Engineers |
| NSBE | The National Society Of Black Engineers |
| NSBM | Netherlands Society on Biomolecular Modeling |
| NSBM | Netherlands Society on Biomolecular Modelling |
| NSBP | National Society for Black Physicists |
| NSBP | Newcastle Society for Blind People |
| NSBS | Nova Scotia Barristers' Society |
| NSCA | Natural Science Collections Alliance |