| Acronym | Definition |
|---|
| GDDC➣Gabinete de Documentação e Direito Comparado (Portuguese: Office for Documentation and Comparative Law) |
| GDDC➣General Directorate for Development Cooperation (Italian Ministry for Foreign Affairs) |
| GDDC➣Greater Dwight Development Corporation (New Haven, CT) |
| GDDC➣Greater Dubuque Development Corporation (Iowa) |
| GDDC➣Guam Developmental Disabilities Council |
| GDDC➣Green Defensive Driving Course (Canada) |
| GDDC➣Goujon Diffusion Département Caraïbes (French: Caribbean Stud Distribution Department) |