| Abbreviation | Definition |
|---|---|
| HCRA | Home Construction Regulatory Authority |
| HCTA | Host Country Tax Authority |
| HCTA | Host County Tax Authority |
| HEDA | Hibbing Economic Development Authority |
| HFA | Housing Finance Authority |
| HFEA | Human Fertilisation and Embryo Authority |
| HFEA | Human Fertilisation and Embryology Authority |
| HFSA | Hungarian Financial Supervisory Authority |
| HHA | Hawaii Housing Authority |
| HHA | Helena Housing Authority |
| HHA | Huntsville Housing Authority |
| HHPA | Hoosier Heritage Port Authority |
| HIAA | Halifax International Airport Authority |
| HIQA | Health Information and Quality Authority |
| HIRA | Housing Industry Regulatory Authority |
| HJRBDA | Hadejia Jama'ara River Basin Development Authority (Nigeria) |
| HKMA | Hong Kong Monetary Authority |
| HM | Home Minister |
| HMA | Halal Monitoring Authority |
| HMUA | Hackettstown Municipal Utility Authority |