| Acronym | Definition |
|---|
| TSSG➣Telecommunications Software & Systems Group |
| TSSG➣Top Seeded Solution Growth |
| TSSG➣Transfusion Safety Study Group (HIV research) |
| TSSG➣Tourette Syndrome Study Group |
| TSSG➣Trondheimstudentenes Speidergruppe (Trondheim Student Scout Group; Trondheim, Norway) |
| TSSG➣Technical Skills Share Group (Chelmsford, MA) |
| TSSG➣Trajectory Sensing Signal Generator |