| Abbreviation | Definition |
|---|---|
| CSI | Computer Society of India |
| CSI | Consolidated Software Inventory |
| CSI | CPU Support Identification |
| CSL | Chip Specific Library |
| CSL | Common Shapes Library |
| CSL | Configuration Specific Language |
| CSL | Configuration Specification Language |
| CSLIP | Compressed SLIP |
| CSM | Control System Management |
| CSO | Color Separation Overlay |
| CSO | Computer Systems Operation |
| CSP | Control Sequence Prefix |
| CSP | Cross System Product |
| CSS | Colorful Style Symbols |
| CSS3 | Cascading Style Sheets, Level 3 |
| CSSV | Computational Science Scientific Visualization |
| CST | Computer Science Textbook for Primary 1 to 5 |
| CST | Computer Supported Telephony |
| CSTN | Color Super Twisted Nematic |
| CSUQ | Computer System Usability Questionnaire |