| 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 |