ADHA
| Acronym | Definition |
|---|---|
| ADHA | American Dental Hygienists' Association |
| ADHA | American Drum Horse Association (Chalk Hill, PA) |
| ADHA | Additional Duty Hour Allowance |
| ADHA | Australian Department of Health and Aging |
| ADHA | Automatic Data Historical Archive (virtual data management) |
| ADHA | Airdrop Hazard Area (US DoD) |
| ADHA | Arabians of the Desert Horse Association (equestrian club; California) |