CDA, Cda, or CdA may refer to:

In educationEdit

In law and governmentEdit

Government agenciesEdit


Other uses in law and governmentEdit


Political parties and lobbying groupsEdit

Other organizationsEdit

In science and technologyEdit

In chemistryEdit

In computingEdit

In health and medicineEdit

In spaceflightEdit

In mathematicsEdit

Other uses on science and technologyEdit

Other usesEdit