| Abbreviation | Definition |
|---|---|
| HAAT | Health Accounts Analysis Tool |
| HABA | Health Aid Beauty Aid |
| HABIT | Health and Behavior Integration Tool |
| HABITS | Health and Addictive Behaviors Investigating Transtheoretical Solutions |
| HABX | Hematology Analyser Based Xchanges |
| HAC | Health And Communication |
| HAC | Healthcare Acquired Conditions |
| HACO | Health Action Charity Organisation |
| HACP | Healthcare Accreditation Certification Program |
| HADE | Health Administration/Executive |
| HADG | Health and Administration Development Group |
| HADP | Healthcare Administration Degree Programs |
| HAES | Health At Every Size |
| HAFA | Health Agents for America |
| HAGC | Health Alliance of Greater Cincinnati |
| HAH | Health and Hire |
| HAH | Healthcare Association of Hawaii |
| HAH | Healthcare at Home |
| HAH | Heartland Alliance Health |
| HAHA | Health And Humor Associates |