TTSC
| Acronym | Definition |
|---|---|
| TTSC | Tigard Tualatin Swim Club (Oregon) |
| TTSC | Technology Transfer and Service Center (Industrial Technology Research Institute) |
| TTSC | Telescope Time Steering Committee |
| TTSC | Text-to-Speech Converter (telecommunications) |
| TTSC | Treasury Telecommunications Systems Council |
| TTSC | Taiwan Transport and Storage Company Limited |