| CSDD | Celu Satiksmes Drosibas Direkcija 
| Others |
| CSDD | Center for the Study of Diversity and Democracy
| Others |
| CSDD | Center for the Study of Drug Development
| Others |
| CSDD | Center for the Study of Drug Development (Tufts University)
| Others |
| CSDD | Clinical Sciences and Drug Discovery
| Others |
| CSDD | Community Services for the Developmentally Disabled
| Others |
| CSDD | Comprehensive Services for the Developmentally Disabled
| Others |
| CSDD | Computer Software Design Description
| Others |
| CSDD | Control Systems Development Division
| Others |
| CSDD | Cornell Scale for Depression in Dementia
| Others |