| CDA | Command And Data Acquisition | - | Atmospheric Research Center |
| CDA | Conceptual Design Activity | - | Computer Acronyms(common) |
| CDA | Copper Development Association | - | Computer Acronyms(common) |
| CDA | Cosmic Dust Analyzer | - | Computer Acronyms(common) |
| CDA | Charge Density Analysis | - | Computer Acronyms(common) |
| CDA | Cylindrical Deflector Analyzer | - | Computer Acronyms(common) |
| CDA | Command And Data Acquisition | - | Organizations |
| CDA | Critical Design Audit | - | Organizations |
| CDA | UK Centre For Defence Analysis | - | Astronomy |
| CDA | Command And Data Acquisition | - | Business and Finance |
| CDA | Contracts Disputes Act
| - | Human Genome |
