| Abbreviation | Definition |
|---|---|
| HHE | Health Hazard Evaluations |
| HHE | Humanitarian Health Ethics |
| HHF | Haitian Health Foundation |
| HHF | Hampstead Health and Fitness |
| HHF | Hearing Health Foundation |
| HHFA | Harmonised Health Facility Assessment |
| HHFA | Harmonized Health Facility Assessment |
| HHFC | Historical Health Fraud Collection |
| HHH | Healthcare for the Homeless Houston |
| HHH | Home Health Hub |
| HHHH | Head Heart Hands and Health |
| HHHHC | Healing Hands Holistic Health Center |
| HHHS | Haliburton Highlands Health Services |
| HHI | Health Help International |
| HHI | Heritage Health Index |
| HHI | Homeless Health Initiative |
| HHI | Hometown Health Improvement |
| HHIS | Hertfordshire Health Informatics Service |
| HHIS | Home Health Integrated Services |
| HHIT | Health and Housing In Transition |