| Acronym | Definition |
|---|
| TCTI➣Tashkent Chemical Technological Institute (est. 1991; Uzbekistan) |
| TCTI➣Texas Computer Training Institute |
| TCTI➣The Counseling Team International (San Bernardino, CA) |
| TCTI➣Industry Technical Instruction |
| TCTI➣Torresea Cearensis Trypsin Inhibitor (phytochemistry) |
| TCTI➣Time Compliant Technical Instruction |