| Abbreviation | Definition |
|---|---|
| NEBS | New England Barbecue Society |
| NECOV | Dutch-Flemish Ecological Society |
| NECOV | Nederlands-Vlaamse Vereniging voor Ecologie |
| NECS | New England Catalysis Society |
| NEHS | National Elementary Honor Society |
| NEHS | National English Honor Society |
| NELS | North East Linguistic Society |
| NEMAS | New England Medieval Arts Society |
| NEOS | New England Ophthalmological Society |
| NEPGS | Northeast Pennsylvania Genealogical Society |
| NEPS | New England Perinatal Society |
| NEPS | New England Polysomnographic Society |
| NERDS | National Espionage Rescue and Defense Society |
| NERDS | New England Rubbish Deconstruction Society |
| NES | Nakajima Englsih Society |
| NES | Navbharat Education Society |
| NESA | New England Society of Anesthesiologists |
| NESBA | New England Society of Botanical Artists |
| NESE | Network of Evaluation Societies in Europe |
| NESES | New England Shoulder and Elbow Society |