HDAC
| Acronym | Definition |
|---|---|
| HDAC | Histone Deacetylase (biochemistry) |
| HDAC | Huntington's Disease Advocacy Center (Stanford, CA) |
| HDAC | House Democracy Assistance Commission (US House of Representatives) |
| HDAC | Hydrogen/Deuterium Absorption Cell |
| HDAC | Human Developmental Anatomy Center (National Museum of Health & Medicine; Washington, DC) |
| HDAC | Helen Day Art Center (Stowe, VT) |
| HDAC | Heavy Duty Air Cylinder |