| Acronym | Definition |
|---|
| TWSC➣Two-Way Stop-Controll (roadway intersection) |
| TWSC➣Tenants’ and Workers’ Support Committee |
| TWSC➣Taiwan Water Supply Corporation (Taichung City, Taiwan) |
| TWSC➣Thames World Sculling Challenge (est. 1831; UK) |
| TWSC➣Theale Water Ski Club (UK) |
| TWSC➣Trilateral Wadden Sea Cooperation (Denmark, Germany and Netherlands) |
| TWSC➣The World's Slowest Comeback (band) |
| TWSC➣Total Weighted Square Correlation |