| Acronym | Definition |
|---|
| TCTC➣Tri-County Technical College (South Carolina) |
| TCTC➣Tennessee Christian Teen Convention |
| TCTC➣The Cooper Temple Clause (band) |
| TCTC➣The Chronicles of Thomas Covenant (Stephen R. Donaldson books) |
| TCTC➣Too Close to Call |
| TCTC➣Thelema Coast to Coast |
| TCTC➣The Clinical Trial Company |
| TCTC➣Tennant Creek Town Council (Australia) |
| TCTC➣Twin Cities Tandem Club (Minnesota) |
| TCTC➣Total Cost to Company |
| TCTC➣Transportation Corps Technical Committee |
| TCTC➣Tri-County Telephone Company (New Richmond, Indiana) |
| TCTC➣Trans-City Transport Company (Ibadan, Nigeria) |
| TCTC➣Transit Case Technical Control |
| TCTC➣Two Channel Transform Coder |
| TCTC➣TRADOC Commanders Training Conference (US Army) |