HMSR
| Acronym | Definition |
|---|---|
| HMSR | Hawk Mountain Scout Reservation (Pennsylvania) |
| HMSR | High Magnification Specimen Radiography |
| HMSR | Hydatidiform Mole Spontaneous Regression |
| HMSR | Houston Mini Scale Racing (Houston, TX) |
| HMSR | Hazardous Material Shipment Record |