HDA may refer to:
Computing
- Intel High Definition Audio
- OPC Historical Data Access
- /dev/hda, see Device file § Naming conventions
- Head and Disk Assembly of a Winchester disk
Science and mathematics
Other uses
- Dragonair
- Ein Shemer Airfield
- Hardlines Distribution Alliance, a hardware store retailers' cooperative
- Hockey Diversity Alliance
- The Holy Demon Army
- Huntington's Disease Association
This disambiguation page lists articles associated with the title HDA.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: