| Acronym | Definition |
|---|
| TSTG➣Storage Temperature |
| TSTG➣Thyssen Schienen Technik GmbH (German: Thyssen Rail Technology Ltd.) |
| TSTG➣Total Submission to God |
| TSTG➣Texas State Travel Guide |
| TSTG➣Tourism Safety Task Group (South Africa) |
| TSTG➣Transportation and Security Technology Group (Science Applications International Corporation) |
| TSTG➣Thoracic Sympathetic Trunk Ganglia |