HDAS
| Acronym | Definition |
|---|---|
| HDAS | Historical Dictionary of American Slang (Random House) |
| HDAS | Health Dialog Analytic Solutions (Boston, MA) |
| HDAS | Huddersfield and District Archaeological Society (UK) |
| HDAS | Hydrographic Data Acquisition System |
| HDAS | Help Desk Automation System |
| HDAS | Hillingdon Design and Accessibility Statement (UK; land development) |