| Abbreviation | Definition |
|---|---|
| TTC | Teacher's Training Course |
| TTE | Texas Text Exchange |
| TTFC | Technology Trade Facilitation Centre |
| TTFN | Tenure Track Faculty Network |
| TTI | Takoradi Technical Institute |
| TTI | Texas Transportation Institute |
| TTI | Travel Technology Initiative |
| TTO | Technical Training Officer |
| TTQ | Thelemic Tephilah Question |
| TTT | Terry Third Thursday |
| TTT | Translation, Theory, and Training |
| TTU | Tafila Technical University |
| TTU | Tennessee Tech University |
| TTU | Tennessee Technological University |
| TTU | Tennessee Temple University |
| TTU | Texas Tech University |
| TTU | Texas Tech University's |
| TTU | Thy Thot University |
| TTUP | Texas Tech University Press |
| TTUS | Texas Tech University System |