TTCI
| Acronym | Definition |
|---|---|
| TTCI | Travel and Tourism Competitiveness Index |
| TTCI | Transportation Technology Center, Inc. (Association of American Railroads) |
| TTCI | Time to Crack Initiation (civil engineering) |
| TTCI | Titanium Tantalum Components Industries (Tamil Nadu, India) |
| TTCI | Total Time Count Indicator |
| TTCI | Togatoga Toothing Community Italia (online community; bluetooth) |