| Acronym | Definition |
|---|
| TSSS➣Team Sports Scheduling System (software) |
| TSSS➣Turner Syndrome Support Society (UK) |
| TSSS➣Top Secret Support System |
| TSSS➣Tannum Sands State School (QLD, Australia) |
| TSSS➣Tactical Simulator/Stimulator System (GNSS) |
| TSSS➣Trainer Stimulator Simulator System |
| TSSS➣Tactical Software Support System |
| TSSS➣Tactical SIGINT Support System |
| TSSS➣Technical Support, Senior Staff (various companies) |
| TSSS➣Toronto Sustainability Speaker Series (est. 2008; Canada) |