GSMM
| Acronym | Definition |
|---|---|
| GSMM | Granite Staters for Medical Marijuana (Manchester, NH) |
| GSMM | Georgia Stormwater Management Manual |
| GSMM | Global Symposium on Millimeter Waves |
| GSMM | Good Samaritan Medical Ministry (est. 1999; Riverside, CA) |
| GSMM | Gas Station Mini Mart (various locations) |