GDL
- Dirasha language
- GNU Data Language
- Game Description Language
- Gas Dynamics Laboratory
- Gas dynamic laser
- Gateway Distriparks
- Generalized distributive law
- Genomics Digital Lab
- Geometric Description Language
- Gesture Description Language
- Gewerkschaft Deutscher Lokomotivführer
- Glucono delta-lactone
- Godley railway station
- Google Developers Live
- Goyim Defense League
- Graduate Diploma in Law
- Graduated driver licensing
- Grand Duchy of Lithuania
- Guadalajara International Airport
- Guadeloupe