| 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 |