- DCA stands for Department of Community Affairs
- DCA stands for District Court of Appeal
- DCA stands for Department of Consumer Affairs
- DCA stands for Disney’s California Adventure (Disneyland theme park)
- DCA stands for Disturbi del Comportamento Alimentare (Italian: Eating DIsorder)
- DCA stands for Department of Civil Aviation
- DCA stands for Drug and Cosmetic Act
- DCA stands for Digital Communications Analyzer
- DCA stands for Dundee Contemporary Arts (UK)
- DCA stands for Department for Constitutional Affairs (UK)
- DCA stands for Department of Culture and the Arts (Australia)
- DCA stands for DanChurchAid
- DCA stands for Department of Cultural Affairs (various locations)
- DCA stands for Data Center Automation
- DCA stands for Domiciliary Care Agency
- DCA stands for Defensive Counter Air (US Air Force)