| Acronym | Definition |
|---|
| HDAM➣Hierarchical Direct Access Method |
| HDAM➣Hierarchical Direct Access Method (IBM) |
| HDAM➣Hyper Dynamic Amplifier Module (Marantz) |
| HDAM➣High Definition Audio Module (audio technology) |
| HDAM➣Housing Developers Association of Malaysia (est. 1970) |