GDC
- D (programming language)
- Democratic Group of the Centre
- Donaldson Center Airport
- Gabriel Dumont College
- Gadolinium-doped ceria
- Gambia Democratic Congress
- Game Developers Conference
- General Dental Council
- General Development Corporation
- Genstar Development Company
- Georgia Department of Corrections
- Geothermal Development Company
- Giordano Dance Chicago
- Global Digital Compact
- Government degree colleges in India
- Graphic Display Calculator
- Gravity Discovery Centre
- Gross dealer concession
- Guglielmi detachable coil
- Society of Graphic Designers of Canada
- Virginia General District Court