GTSM
| Acronym | Definition |
|---|---|
| GTSM | Generalized Ttl Security Mechanism |
| GTSM | Gretai Securities Market (Taiwan) |
| GTSM | Goals, Targets, Strategies, Measures (strategic planning method) |
| GTSM | Gladwin Tensor Strain Meter |
| GTSM | Generalized TTL (Time to Live) Security Mechanism (Internet data transfer security method) |
| GTSM | Gouge To Sound Metal (welding) |