| Acronym | Definition |
|---|
| USTC | University of Science and Technology of China |
| USTC | United States Transportation Command (see USTRANSCOM) |
| USTC | Utah State Tax Commission |
| USTC | US Translation Company (various locations) |
| USTC | United States Tax Cases (Commerce Clearing House) |
| USTC | United States Colored Troops |
| USTC | United States Tobacco Company (now US Smokeless Tobacco Company) |
| USTC | Union Station Transportation Center (Connecticut) |
| USTC | United States Testing Company |
| USTC | Unión Sindical de Trabajadores de las Comunicaciones (Spanish: Trade Union of Communication Workers; Colombia) |
| USTC | Unitary Space-Time Capacity |