NHI
- Healthcare in Taiwan
- Herbalism
- NHI Number
- NHIndustries
- National Health Insurance (British Virgin Islands)
- National Health Insurance (Japan)
- National Health Insurance (South Africa)
- National Health Insurance Scheme (Ghana)
- National Health Insurance Scheme (Nigeria)
- National Health Insurance Scheme (disambiguation)
- National Hispanic Institute
- National Historical Institute
- National Holistic Institute
- Nederlandse Helikopter Industrie
- New Horizon Interactive
- Non-human intelligence (disambiguation)