| Abbreviation | Definition |
|---|---|
| CC | Calico Cat |
| CCAC | Canadian Council on Animal Care |
| CCAF | Chicken Chemotactic and Angiogenic Factor |
| CCD | Colony Collapse Disorder |
| CCFAVM | Confederation of Canadian Faculties of Agriculture and Veterinary Medicine |
| CCFF | Cream City Feathered Friends |
| CCPA | Canadian Council on Animal Care |
| CCSF | Comparative Clinical Science Foundation |
| CCVC | Columbus Countryside Veterinary Clinic |
| CCVC | Copper Country Veterinary Clinic |
| CCVH | Center City Veterinary Hospital |
| CCVH | Creature Comforts Veterinary Hospital |
| CCVO | Council of Chief Veterinary Officers |
| CCVS | Comforting Care Veterinary Services |
| CDSC | Communicable Disease Surveillance Centre |
| CEAH | Centers for Epidemiology and Animal Health (US Department of Agriculture) |
| CEECE | Coalition to End Experimentation on Chimpanzees in Europe |
| CEFAS | Centre for Environment, Fisheries, and Aquaculture Science |
| CEID | Centre for the Epidemiology of Infectious Disease ( Oxford University) |
| CENIAP | Centro Nacional de Investigaciones Agropecuarias (Venezuela) |