| Abbreviation | Definition |
|---|---|
| CSP | Chipset Support Package |
| CSP | Completely Self-Protected |
| CSP | Converged Service Processor |
| CSPRNG | Cryptographically Secure Random Number Generator |
| CSSN | Circuit State Sequence Number |
| CSSP | Chip Sized SAW (Surface Acoustic Wave) Package |
| CSSR | Communications Systems Segment Replacement |
| CSTI | Control ST Bus Input signal |
| CSU | Channel Service Unit |
| CSVA | Composite to S-Video Adapter |
| CSVG | Constraint Scalable Vector Graphics |
| CSVM | Consensus Support Vector Machine |
| CSYNC | Clean Sync |
| CSYNC | Composite Sync |
| CT | Color Touchscreen |
| CT | Comfort Technology |
| CT | Current Transformer |
| CTCA | Compact Telecommunications Computing Architecture |
| CTD | Conner Tape Drive |
| CTF | Counter, Timer, and Frequency |