| Abbreviation | Definition |
|---|---|
| CARAB | Canadian Amateur Radio Advisory Board |
| CARAL | Canadian Abortion Rights Action League |
| CARAS | Canadian Academy of Recording Arts and Sciences |
| CARC | Canadian Arctic Resources Committee |
| CAREC | Canadian Auto Recyclers Environmental Code |
| CARES | Canadian Animal Rescue And Extended Shelter |
| CARF | Canadian Amateur Radio Federation |
| CARF | Canadian Anesthesia Research Foundation |
| CARI | Canadian Associations of Recycling Industries |
| CARN | Canadian Adverse Reaction Newsletter |
| CARN | Canadian Analogue Research Network |
| CARN | Canadian Association of Rehabilitation Nurses |
| CARO | Canadian Association of Radiation Oncologists |
| CARO | Canadian Association of Rally Obedience |
| CARP | Canadian Association of Retired Persons |
| CARTR | Canadian Assisted Reproductive Technologies Registry |
| CARY | Canadian Association of Rwandan Youth |
| CASA | Canadian Alliance of Student Associations |
| CASB | Canadian Aviation Safety Board |
| CASC | Canadian Army Service Corps |