DCD
- 2-Cyanoguanidine
- DCD (company)
- DCD Media
- Data Carrier Detect
- Dead Can Dance
- Def Con Dos
- Dermcidin
- Deseret Chemical Depot
- Detroit Country Day School
- Developmental coordination disorder
- Diamond Comic Distributors
- Double crossover diamond interchange
- Dual currency deposit
- Dubai Civil Defence
- Dundonald, County Down
- Non-heart-beating donation
- Organ donation