| Abbreviation | Definition |
|---|---|
| HHAF | Health and Humanitarian Aid Foundation |
| HHAF | Health Humanitarian Aid Foundation |
| HHAF | Humanitarian Health Aid Foundation |
| HHB | Human Health Building |
| HHC | Hartford HealthCare Careers |
| HHC | Helvetica Health Care |
| HHC | Hold Harmless Clause |
| HHC | Hospital and Health Center |
| HHC | human health care |
| HHC | Human Health Countermeasures |
| HHCC | Heritage Health Care Center |
| HHCC | Holistic Health Care Centers |
| HHCC | Holistic Health Care Co |
| HHCC | Home Health Care Classification |
| HHCC | Hopi Health Care Center |
| HHCD | Home Healthcare Comorbidity Database |
| HHCP | Home Health Care Provider |
| HHCP | Homeless and Health Coordination Project |
| HHD | human health damage |
| HHDR | Health Hazard Domain Report |