| Acronym | Definition |
|---|
| TSSE➣Terrasse (French: Terrace; Canada Post street designation) |
| TSSE➣Tarnobrzeska Specjalna Strefa Ekonomiczna (Polish: Tarnobrzeg Special Economic Zone; Poland) |
| TSSE➣The Siemens Science Experience (Australia) |
| TSSE➣Total Ship Systems Engineering (US Navy) |
| TSSE➣Thomas Swan Scientific Equipment Ltd. (UK) |
| TSSE➣Total Sum Squared Error |