| Acronym | Definition |
|---|
| TSTF➣Technical Specification Task Force (US NRC) |
| TSTF➣The Scorpion and the Frog |
| TSTF➣Test Fail (Nortel) |
| TSTF➣Traffic Safety Task Force |
| TSTF➣Toronto Science and Technology Fair (Canada) |
| TSTF➣Tetra-Spans Transmembrane Family |
| TSTF➣Two Services Task Force (Unitarian Society of Hartford; Hartford, CT) |