| Abbreviation | Definition |
|---|---|
| NRA | Nurse Reinvestment Act of 1901 |
| NRB | National Research Bureau |
| NRB | Natural Resources Board |
| NRB | New Regulatory Body |
| NRB | Non-Resident Bangladeshis |
| NRC | National Registration Card |
| NRC | National Response Center |
| NRC | No Regulatory Criteria |
| NRCS | National Resource Conservation Service |
| NRCS | National Resources Conservation Service |
| NRCS | Natural Resources Conservation Service |
| NRD | National Registration Database |
| NRD | Natural Resource Directory |
| NRD | Natural Resources District |
| NRDP | National Rural Development Partnership |
| NRE | Non Recurring Engineering |
| NRE | Non- Renewable Energy |
| NRE | Non-Renewable Energy |
| NREN | National Research and Education Network |
| NRF | Northwest Regional Forecast |