| Abbreviation | Definition |
|---|---|
| HSVC | High Sierra Veterinary Clinic |
| HV | Horse Vitaman |
| HVK | Hrvatska Veterinarska Komora (Croatian Veterinary Chamber) |
| HVM | Human And Veterinary Medicine |
| HVM | Hyperbaric Veterinary Medicine |
| HVMS | Hellenic Veterinary Medical Society |
| HVTA | Hawaii Veterinary Technician Association |
| IAAAM | International Association of Aquatic Animal Medicine |
| IAADP | International Association of Assistance Dog Partners |
| IAAS | International Association of Agricultural Students |
| IACP | Institutional Animal Care Program |
| IACP | International Academy of Compounding Pharmacists |
| IACUC | Institutional Animal Care and Use Committee |
| IAEP | International Association of Equine Professionals |
| IAFWA | International Association of Fish and Wildlife Agencies |
| IAG | Internal Audit Group (of BVA) |
| IAH | Institute for Animal Health (UK) |
| IAHA | International Arabian Horse Association |
| IAHAIO | International Association of Human- Animal Interaction Organizations |
| IAR | International Animal Rescue |