DPD
- Color Developing Agent 1
- Dallas Police Department
- Dangerous Preparations Directive
- Data Protection Directive
- Dead Peer Detection
- Delegated Path Discovery
- Democratic Party of Germany
- Densely packed decimal
- Denver Police Department
- Dependent personality disorder
- Depersonalization-derealization disorder
- Depressive personality disorder
- Detroit Police Department
- Development Plan Document
- Dew point depression
- Diccionario panhispánico de dudas
- Diffusion pressure deficit
- Dihydropyrimidine dehydrogenase
- Dissipative particle dynamics
- Diver propulsion vehicle
- Dorking Deepdene railway station
- Geopost
- Phenylenediamine (disambiguation)
- Regional Representative Council
- U.S. Copyright Office