| Acronym | Definition |
|---|
| NHI➣National Health Insurance |
| NHI➣National Highway Institute |
| NHI➣Nomura Holdings, Inc. (Japan) |
| NHI➣National Historical Institute (Philippines) |
| NHI➣National Housing Institute |
| NHI➣National Holistic Institute |
| NHI➣National Health Index (New Zealand) |
| NHI➣Nuclear Hydrogen Initiative |
| NHI➣National Hispanic Institute |
| NHI➣Nebraska Heart Institute (Lincoln, NE) |
| NHI➣Natural Heritage Institute |
| NHI➣National Homelessness Initiative (Canada) |
| NHI➣National Heart Institute |
| NHI➣Not Handed In (school assignments) |
| NHI➣New Croat Initiative (Bosnia and Herzegovina) |
| NHI➣Native Health Initiative (est. 2004) |
| NHI➣Nikko Hotels International (Japan) |
| NHI➣Newspaper Holdings, Inc. |
| NHI➣No Human Involved |
| NHI➣Native Host Interface |
| NHI➣Never Heard of It |
| NHI➣NATO Helicopter Industries |
| NHI➣Neighborhood House, Inc. (various locations) |
| NHI➣Nitrogen Harvest Index |
| NHI➣Nielsen Homevideo Index |
| NHI➣Natural Hygiene Incorporated |