| Acronym | Definition |
|---|
| STTC➣Space-Time Trellis Coding |
| STTC➣Short Term Training Course (India) |
| STTC➣Simulation & Training Technology Center (US Army RDECOM lab) |
| STTC➣Singing to the Choir |
| STTC➣Sunrise Table Tennis Club |
| STTC➣Spare Tyre Theatre Company (UK) |
| STTC➣Sheppard Technical Training Center |
| STTC➣Soldering Technology Transfer Center |