| Abbreviation | Definition |
|---|---|
| CSDG | California School of Dog Grooming |
| CSFD | Companion School For Dogs |
| CSFD | Cruser's School For Dogs |
| CT | Champion Tracker |
| CTCD | Courage The Cowardly Dog |
| CUR | Canine Underground Railway |
| CVTS | Committee on Veterinary Techician Specialties |
| D | Dog |
| DADO | Dumb Ass Dog Owners |
| DAH | Dumb Ass Handler |
| DAP | Dog-Appeasing Pheromone |
| DAWG | Dog Action Welfare Group |
| DAWG | Dog Advisory Work Group |
| DBC | Dog Bone Club |
| DC | Dogs and Cats |
| DCSP | Dog and Cat Sterilization Program |
| DCVR | Dogs and Cats Veterinary Referral |
| DD | Draft Dog |
| DDA | Deaf Dog Advocate |
| DDB | Dogs Deserve Better |