GMSR
| Acronym | Definition |
|---|---|
| GMSR | Green Mountain Stage Race (bike race; Vermont) |
| GMSR | Great Miami and Scioto Railway |
| GMSR | Greines Martin Stein Richland (law firm; Los Angeles, CA) |
| GMSR | Gold Mining Stock Review (newsletter) |
| GMSR | Gunner's Mate, Ship Repair (US Navy) |
| GMSR | General Management Status Review |