| Abbreviation | Definition |
|---|---|
| NHC | Natural Health Counselor |
| NI | Not Interested |
| NIA | Network Insurance Agent |
| NICE | Novell Internet Connection Expert |
| NIDCR | National Institute of Dental and Craniofacial Research |
| NIMO | Neighborhood Infrastructure Management Officer |
| NINA | No Irish Need Apply |
| NIV | No Income Verification |
| NJ | Net Jockey |
| NLE | No Longer Employed |
| NLE | National leaders of education |
| NLG | National leaders of governance |
| NLM | Nasty Looking Madam |
| NLWC | No Longer With Company |
| NM | New Material |
| NM | News Manager |
| NM | Novice Middle |
| NME | No Musical Experience |
| NMR | New Management Recruiting |
| NNAS | National Nursing Assessment Service |