| Abbreviation | Definition |
|---|---|
| NERT | National Employers Retirement Trust |
| NERV | North Eastern Rescue Vehicles |
| NESA | National Eagle Scout Association |
| NESEC | NorthEast States Emergency Consortium |
| NESP | Nonprofit Evaluation Support Program |
| NESTA | National Endowment for Science, Technology, and the Arts |
| NET | National Environmental Trust |
| NEWS | National Emu Watching Society |
| NEWS | National Environment and Wildlife Society |
| NFA | National Federation Application |
| NFA | National Fibromyalgia Association |
| NFAA | National Foundation for Advancement in the Arts |
| NFAC | National First Aid Council |
| NFAE | National Foundation for Arts Education |
| NFAF | Nasa Family Assistance Fund |
| NFAH | National Federation Of American Hungarians |
| NFAH | National Foundation For Arts And Humanities |
| NFAM | National Foundation for Alternative Medicine |
| NFAN | Northeast Florida AIDS Network |
| NFAO | National Forum for Assertive Outreach |