GTSC
| Acronym | Definition |
|---|---|
| GTSC | Global Technical Support Centre |
| GTSC | Gran Turismo Series Center (gaming) |
| GTSC | General Thoracic Surgical Club |
| GTSC | Governors Traffic Safety Committee (New York) |
| GTSC | German Territorial Southern Command |
| GTSC | Global Telecommunication Standardization Collaboration |
| GTSC | Graduate Training and Support Centre (University of Leeds; UK) |