| Abbreviation | Definition |
|---|---|
| NEDA | New England Dressage Association |
| NEFMA | New England Financial Marketing Association |
| NEHA | National Environmental Health Association |
| NEHA | National Ethical Hackers' Association |
| NEI | National Elevator Industry |
| NEMA | National Electric Manufacturers Association |
| NEMA | National Electrical Marine Association |
| NEMA | National Emergency Management Association |
| NEMA | National Emergency Medicine Association |
| NEMA | National Energy Marketers Association |
| NEMA | National Energy Marketers' Association |
| NEMA | Nigeria Evangelical Missions Association |
| NEMA | Nigerian Evangelical Missions Association |
| NEOEA | North Eastern Ohio Education Association |
| NERA | National Employment Rights Authority |
| NERB | NorthEast Regional Board of Dental Examiners |
| NESA | National Electric Sign Association |
| NESA | National Even Start Association |
| NESD | Nursing Education and Staff Development |
| NESSA | New England Schools Sailing Association |