| Abbreviation | Definition |
|---|---|
| DIA | Drug Information Association |
| DIAH | Desert Inn Animal Hospital |
| DIF | Dairy Industry Federation |
| DIG | Dog Identification Group (of the Department of Transport, Environment, and the Regions) |
| DK | Deformed Kitty |
| DL | Desert Leech |
| DLAG | Dog Legislation Advisory Group |
| DLO-NL | Netherlands Organization for Agricultural Research |
| DLVS | Department of Livestock and Veterinary Services |
| DMB | Dutch Meat Board |
| DMV | Doctorat en Médecine Vétérinaire [French] incl. Canada |
| DNN | Disbudding Not Necessary |
| DOBS | Dog Owners and Breeders Symposium |
| DOH | Department of Health (of UK government) |
| DOI | Date of Immunization |
| DPP | Distemper, Parvovirus, and Parainfluenza |
| DRAH | Davenport Road Animal Hospital |
| DSAVA | Danish Small Animal Veterinary Association |
| DTM | Determatophyte Test Medium |
| DTM | Distance To Mate |