| Acronym | Definition |
|---|
| TLSS➣Teaching and Learning Support Services (various universities) |
| TLSS➣Tactical Life Support System |
| TLSS➣The Larry Sanders Show (TV show) |
| TLSS➣Temporary Limb Salvage Shunt (Vascutek, Ltd.) |
| TLSS➣Through Life Support Standard (UK Ministry of Defense) |
| TLSS➣Tulane Life Support Society (Tulane University; New Orleans, LA) |
| TLSS➣Transit Load Securement Systems (UK) |