| Abbreviation | Definition |
|---|---|
| GUX | Graphical User Experience |
| GWIT | Google Women In Technology |
| GWTS | Global Wind Technology Services |
| GYFT | Guyana Youth for Future Technology |
| GYTR | Genuine Yamaha Technology Racing |
| GZAE | G Z A Environment Technology |
| GZCOM | Gonzo Component Object Model (Gonzo COM) |
| HAAT | Human Activity Assistive Technology |
| HACT | Helicopter Active Controls Technology |
| HAD | Head Up Display |
| HADF | High Accuracy Direction Finder |
| HALT | Home Alarms Latest Technology |
| HAMT | Himalayan Academy of Music Technology |
| HANNN | Healthy Ageing Network Northern Netherlands |
| HART | Human Assisted Reproductive Technology |
| HASTIC | Hokkaido Aerospace Science Technology Incubation Center |
| HATA | Healthcare Administrative Technology Association |
| HATS | Humanities Art Technology and Science |
| HBTD | Hydrocarbon Boost Technology Demonstrator |
| HCET | Hitkarini College of Engineering and Technology |