GDT
- Gas Dynamic Trap
- Geometric dimensioning and tolerancing
- Global Descriptor Table
- Global distance test
- Goal-directed therapy
- Grand dictionnaire terminologique
- Great Divide Trail
- Great Dividing Trail
- Guillermo del Toro
- JAGS McCartney International Airport
- Kungardutyi language
- MaK GDT
- Surge protector
- Taiwanese Minnan