| Acronym | Definition |
|---|
| WTSS➣West Toronto Support Services (Canada) |
| WTSS➣Weapon Training Simulation System |
| WTSS➣Where the Son Shines (religious website) |
| WTSS➣When the Sun Sleeps (band) |
| WTSS➣Waste Tank Safety Support |
| WTSS➣Women's Technical Support Services (water supplying) |