| Acronym | Definition |
|---|
| NPHI➣National Public Health Institute (Finland) |
| NPHI➣Niagara Peninsula Home Inspections (Canada) |
| NPHI➣Nuestros Pequeños Hermanos International |
| NPHI➣North Penn Hernia Institute |
| NPHI➣National Population Health Survey (Canada) |
| NPHI➣Nucleoside Triphosphate Phosphohydrolase I (DNA) |
| NPHI➣Neutron Porosity Hydrogen Index |