| Abbreviation | Definition |
|---|---|
| CRMY | Common Myna Bird |
| CRMY | Crested Myna Bird |
| CRP | Coyote Reserve Program |
| CRPRC | California Regional Primate Research Center |
| CRS | Comparative Respiratory Society |
| CRTZ | Chemoreceptor Trigger Zone |
| CRVS | Columbia River Veterinary Specialists |
| CRWAD | Conference of Research Workers in Animal Diseases |
| CSAC | Company Services Advisory Committee (of BVA, obsolete) |
| CSAH | Charlotte Street Animal Hospital |
| CSAVA | Czech Small Animal Veterinary Association |
| CSBA | Canadian Swine Breeders Association |
| CSFD | Companion School For Dogs, Holland, Michigan |
| CSG | Crocodile Specialist Group |
| CSL | Central Science Laboratory |
| CSTF | Clinical Studies Trust Fund |
| CSVC | Center for Specialized Veterinary Care |
| CSVC | Country Side Veterinary Clinic |
| CSVH | Canal Street Veterinary Hospital |
| CSVH | Cary Street Veterinary Hospital, Richmond, Virginia |