| Abbreviation | Definition |
|---|---|
| CNPCC | Canadian Network of Palliative Care for Children Canadian Network |
| CNR | Canadian National Railroad |
| CNR | Canadian National Railway |
| CNR | Canadian National Railways |
| CNRC | Canadian Network for Respiratory Care |
| CNRL | Canadian Natural Resources Limited |
| CNRL | Canadian Natural Resources Ltd |
| CNSA | Canadian Nursing Student Association |
| CNSC | Canadian Nuclear Safety Commission |
| CNSL | Canadian National Soccer League |
| CNSN | Canadian National Seismic Network |
| CNSN | Canadian National Seismograph Network |
| CNST | Canadian Northern Studies Trust |
| CNST | Canadian Nutrition Screening Tool |
| CNTA | Canadian Number Theory Association |
| CNTC | Canadian Nail Tech Connection |
| CNTC | Canadian National Team Championships |
| CNTC | Canadian Network of Toxicology Centres |
| CNTC | Canadian Nissan Truck Club |
| CNTM | Canada's Next Top |