| Acronym | Definition |
|---|
| HMD | Hammond (Amtrak station code; Hammond, LA) |
| HMD | Health and Medicine Division (National Academies of Sciences, Engineering, and Medicine) |
| HMD | Head Mounted Display |
| HMD | Holocaust Memorial Day (various locations) |
| HMD | Heard and McDonald (Islands; Australia) |
| HMD | Helmet Mounted Display |
| HMD | Hot Metal Detector (various companies) |
| HMD | High Level Mobile Display |
| HMD | History of Medicine Division (National Library of Medicine) |
| HMD | Heard Island and McDonald Islands (ISO Country code) |
| HMD | Human Mortality Database |
| HMD | Hyaline Membrane Disease |
| HMD | Hand Made |
| HMD | Head Mounted Device |
| HMD | Happy Mother's Day |
| HMD | Hold Me Down |
| HMD | Hoof and Mouth Disease |
| HMD | Hot Metal Desulphurization (metallurgy) |
| HMD | Hollow Metal Door |
| HMD | Hybrid Mass Damper |
| HMD | Hepatic Microvascular Dysplasia |
| HMD | Hierarchical Message Description |
| HMD | Horizontal Magnetic Dipole |
| HMD | Harmonie Municipale de Dudelange (Luxembourg) |
| HMD | Holographic Media Disk |
| HMD | Horace Mundy Chapter (International Order of Demolay) |
| HMD | Hexamethyldiamine (nylon chemistry) |
| HMD | Hyperspectral Mine Detection (DARPA) |
| HMD | High Mobility Downsized |
| HMD | Hardware Maintenance Depot |
| HMD | Hadamard-based Multi-User Detector |
| HMD | Hydraulic Mean Depth |
| HMD | Hermes Media Design |
| HMD | Hull Motion Dynamics |