| Abbreviation | Definition |
|---|---|
| HFWA | Haemophilia Foundation Western Australia |
| HHA | Hardcore Hardware Australia |
| HICA | Health Insurance Consultants Australia |
| HILDA | Household Income and Labour Dynamics in Australia |
| HINA | Health Information Network Australia |
| HISA | Health Informatics Society of Australia |
| HLCA | Home Loan Centre Australia |
| HMAS | Her Majesty Australian Ship |
| HMAS | Her Majestys Australian Ship |
| HMAS | Her Majesty's Australian Ship |
| HMAS | Her Military Australian Ship |
| HMAS | His Majestys Australian Ship |
| HMAS | His Majesty's Australian Ship |
| HMFB | Hume Murray Food Bowl |
| HNA | Health Networks Australia |
| HOLB | Holbrook |
| HPA | Hop Products Australia |
| HRA | Historical Records Of Australia |
| HSR | Health and Safety Representative |
| HTAL | Hutchison Telecommunications Australia Limited |