| Abbreviation | Definition |
|---|---|
| DARE | Dachshund Adoption Rescue and Education |
| DCF | Dwarf Clawed Frog |
| DCPD | Duck CarboxyPeptidase D |
| DCVMA | District of Columbia Veterinary Medical Association |
| DCVR | Dogs and Cats Veterinary Referral |
| DD | Dead Deer |
| DDA | Dispensing Doctors' Association |
| DDAF | Doris Day Animal Foundation |
| DDAL | Doris Day Animal League |
| DDD | Den Danske Dyrlaegeforening ( Danish Veterinary Association) |
| DDFT | Deep Digital Flexor Tendon |
| DE | Dead Elephant |
| DEA | Dog Erythrocyte Antigen |
| DEFRA | Department for Environment, Food, and Rural Affairs ( U K: successor to MAFF) |
| DENI | Department of Education for Northern Ireland |
| DEVMA | Delaware Veterinary Medical Association |
| DGHT | Deutsche Gesellscaft fur Herpetologie and Terrarienkunde (German Society for Herpetology) |
| DGVG | Donnington Grove Veterinary Group |
| DHL | Distemper Hepatitis Leptospirosis |
| DHLPP | Distemper, Hepatitis, Leptospirosis, Parinfluenza, and canine Parvovirus |