| Abbreviation | Definition |
|---|---|
| CNIA | Canada Newcomers Immigration Association |
| CNIC | Canadian National Illinois Central |
| CNIE | Canadian Network for Innovation in Education |
| CNIG | Canadian Neuroethics Interest Group |
| CNIP | Canadian Network for Isotopes in Precipitation |
| CNIS | Canadian Network for International Surgery |
| CNIT | Canadian National Invitational Tournament |
| CNL | Canadian Nuclear Laboratories |
| CNLA | Canadian Nursery Landscape Association |
| CNLA | Canadian Nursery Landscaping Association |
| CNLC | Canadian Native Law Cases |
| CNLO | Canadian Nuclear Law Organization |
| CNLR | Canadian Native Law Reporter |
| CNMA | Canadian National Millers Association |
| CNNRO | Canadian Network of Northern Research Operators |
| CNOC | Canadian Network Operators Consortium |
| CNOR | Canadian Non Operated Resources |
| CNOS | Canadian Nitric Oxide Society |
| CNPC | Canadian National Pagan Conference |
| CNPC | Canadian Network for Psychoanalysis and Culture |