| Acronym | Definition |
|---|
| NPRI➣National Pollutant Release Inventory (Canada) |
| NPRI➣Nevada Policy Research Institute |
| NPRI➣Nuclear Policy Research Institute |
| NPRI➣Nutri Pharmaceuticals Research Inc. |
| NPRI➣Neonatal-Perinatal Research Institute |
| NPRI➣Naturopathic Physicians Research Institute |
| NPRI➣NAMI Policy Research Institute |
| NPRI➣National Programme for Rural Industrialisation (India) |
| NPRI➣Norwegian Polar Research Institute |
| NPRI➣Non-Participating Royalty Interest |
| NPRI➣Neuropathic Pain Research Institute |
| NPRI➣Nonparametric Radar Identification |