| Abbreviation | Definition |
|---|---|
| CSAA | Committee on Space Astronomy and Astrophysics |
| CSAM | Crinkled Single Aluminized Mylar |
| CSAS | Computerized Status Accounting System |
| CSAT | Combined Systems Acceptance Test |
| CSC | Computer Sciences Corporation |
| CSC | Computer Software Component |
| CSC | Conical Shaped Charge |
| CSC | Contingency Support Center |
| CSCA | Co-Secant Computing Amplifier |
| CSCB | Contractor's Summary Cost Breakdown |
| CSCSAT | Commercial Synchronous Communication SATellite |
| CSD | Chemical Systems Division |
| CSD | Control System Development |
| CSD | Crew Systems Division |
| CSDD | Control Systems Development Division |
| CSDF | Central Source Data File |
| CSDL | Charles Stark Draper Laboratory |
| CSDT | Computer Software Data Tape |
| CSE | Catalytic Surface-effects Experiment |
| CSE | Communications Systems Engineer |