| Acronym | Definition |
|---|
| NRPI➣Natural Resource Projects Inventory |
| NRPI➣National Recreational Properties Inc. (Irvine, CA) |
| NRPI➣National Radiation Protection Institute (Czech Republic) |
| NRPI➣National Rehab Properties, Inc. (Florida) |
| NRPI➣Natural Resources Planning and Interpretation (degree; various universities) |
| NRPI➣Neutral Range Pressure Indicator |