- DCDG stands for DCDG (not an acronym; formerly Dot Com Design Group; Bellingham, WA)
- DCDG stands for Dub City Derby Girls (roller derby club)
- DCDG stands for Drug Court Discretionary Grant (justice system; various locations)
- DCDG stands for Danish Contact Dermatitis Group
- DCDG stands for Dimethylamino-Cyclohexoxyl-Dimethyl Gallium (antimalarial drug)
DCDG