| Abbreviation | Definition |
|---|---|
| NFT | Notification of Foreign Travel |
| NGA | National Geospatial-Intelligence Agency |
| NGA | Non-Genotoxic Alert |
| NGB | National Guard Bureal |
| NGC | National Guideline Clearinghouse (DHHS) |
| NGFA | National Grain and Feed Association |
| NGO | Non-Governmental Organization |
| NHANES | National Health And Nutrition Examination Survey |
| NHC | National Hurricane Center |
| NHE | National Health Expenditures |
| NHF | National Hemophilia Foundation |
| NHGRI | National Human Genome Research Institute |
| NHGRI | National Human Genome Research Institute (NIH) |
| NHIC | National Health Information Center |
| NHIN | Nationwide Health Information Network |
| NHIS | National Institute of Hygienic Sciences |
| NHLBI | National Heart, Lung, and Blood Institute |
| NHRIC | National Health-Related Items Code |
| NHW | National Health and Welfare Department |
| NIA | National Institute on Aging |