STSG
| Acronym | Definition |
|---|---|
| STSG | Split Thickness Skin Graft |
| STSG | Screening Test of Spanish Grammar (speech and hearing disorders) |
| STSG | Spine Trauma Study Group (medicine) |
| STSG | Stochastic Tree Substitution Grammar (computer science) |
| STSG | Schools Theatre Support Group (UK; school-based theater technicians' organization; est. 2005) |
| STSG | Science and Technology Study Group |