| Acronym | Definition |
|---|
| HDMC➣Harley-Davidson Motor Company (Milwaukee, WI) |
| HDMC➣Hi-Desert Medical Center (Joshua Tree, CA) |
| HDMC➣High-Deliverability, Multi-Cycle (gas storage) |
| HDMC➣Hajnowskich Dni Muzyki Cerkiewnej (Polish) |
| HDMC➣Hiram Davis Medical Center (Petersburg, VA) |
| HDMC➣Hubli Dharwad Muncipal Corporation (Hubballi, India) |
| HDMC➣Heaven's Devils Motorcycle Club |
| HDMC➣Hierarchical Digital Modulation Classification |