| Abbreviation | Definition |
|---|---|
| GRPF | Gold Reef Pigeon Federation |
| GTAH | Golden Triangle Animal Hospital |
| GUAO | Grupo Unido de Animalistas Oruro |
| HAAL | Homeless Animal Adoption League |
| HAART | Henryetta Animal Aid Rescue Team |
| HAART | Homeless and Abused Animal |
| HAART | Homeless and Abused Animal Rescue Team |
| HAB | Human Animal Bond |
| HAHS | Hooved Animal Humane Society |
| HAI | Human Animal Interaction |
| HAIRS | Human Animal Infections and Risk Surveillance |
| HALT | Humans and Animals Learning Together |
| HAPD | High Animal Protein Diet |
| HARC | Hoarding of Animals Research Consortium |
| HARE | Humanitarians for Animal Rights Education |
| HAREM | Any significant number of females either man or animal or it means prohibited in Arabic language i.e |
| HARF | Hawaii Animal Rescue Foundation |
| HARPS | Hooved Animal Rescue and Protection Society |
| HART | Houston Animal Rights Team |
| HATO | Holistic Animal Therapy Organisation |