| Abbreviation | Definition |
|---|---|
| CJMT | Canadian Journal of Music Therapy |
| CJN | Canadian Jewish News |
| CJNR | Canadian Journal of Nursing Research |
| CJO | Canadian Journal of Ophthalmology |
| CJOC | Canadian Joint Operations Command |
| CJOC | Canadian Journal of Orthodox Christianity |
| CJPP | Canadian Journal of Physiology and Pharmacology |
| CJPP | Canadian Journal of Plant Pathology |
| CJPS | Canadian Journal of Political Science |
| CJRB | Canadian Justice Review Board |
| CJWL | Canadian Journal of Women and the Law |
| CJZ | Canadian Journal of Zoology |
| CKA | Canada Kicks Ass |
| CKA | Canadian Kinesiology Alliance |
| CKG | Canadian Knifemakers Guild |
| CKN | Canadian Karting News |
| CLAAC | Canadian Learning Abroad Alumni Community |
| CLAAC | Canadian Library Association's Annual Conference |
| CLAB | Canada Lands Administrative Boundary |
| CLAC | Christian Labour Association of Canada |