| Acronym | Definition |
|---|
| GSMT➣General Society of Mechanics and Tradesmen of the City of New York (New York, NY) |
| GSMT➣Giant Segmented Mirror Telescope |
| GSMT➣Gigabyte Server Management Tool (computing) |
| GSMT➣Girl Scouts of Michigan Trails (Grand Rapids, MI) |
| GSMT➣Golden State Mortgage Trust, Inc. (Riverside, CA) |
| GSMT➣Gibson Spiral Maze Test (psychiatric test) |