| Abbreviation | Definition |
|---|---|
| GTSE | Georgia Technology School of Earth |
| GTSE | Georgia Technology School of Engineering |
| GTT | Gateway to Technology |
| GTT | Get Together with Technology |
| GTT | Global Telecom Technology |
| GTT | Global Telecommunications Technology |
| GTTC | Genetics Translational Technology Core |
| GTTC | Geoscience Technology Training Center |
| GTTC | Global Technology and Training Center |
| GTTC | Global Trade Technology Center |
| GTTC | Government Technology and Telecommunications Committee |
| GTTD | Global Technology Training Development |
| GTTO | Global Technology Transactions Organization |
| GTTS | Government Trust and Technology Services |
| GTU | Global Technology Unit |
| GTU | Gujarat Technology University |
| GUAN | Greece Uses Arabic Numerals |
| GURT | Genetic use restriction technology |
| GUST | Girls Unlocking Science Technology |
| GUST | Gulf University for Science Technology |