| Acronym | Definition |
|---|
| NNRC➣Neural Networks Research Centre (now Adaptive Informatics Research Centre; Helsinki, Finland) |
| NNRC➣Nebraska Natural Resources Commission |
| NNRC➣Neutral Nations Repatriation Commission (UN) |
| NNRC➣National Network Reporting Company |
| NNRC➣Northern Nevada Restitution Center |
| NNRC➣Neely Nuclear Research Center (Georgia Institute of Technology; Atlanta, GA) |
| NNRC➣Normanville Natural Resource Centre (Australia) |
| NNRC➣No-Name Radio Club (California) |