| Abbreviation | Definition |
|---|---|
| CSRR | Computer Support for Research Resource |
| CSSA | Chinese Students and Scholars Association |
| CSSC | Computer Science Social Club |
| CSSD | Center for Sustainable Suburban Development |
| CSSR | Center for Software Systems Research |
| CSSR | Centre for Social Science Research |
| CST | Canadian Scholarship Trust |
| CST | Content Specialty Test |
| CST | Curriculum Sharing Tool |
| CSTR | Centre for Speech Technology Research |
| CSTU | Chernihiv State Technological University |
| CSU | California State University |
| CSU | California State University's |
| CSU | Charles Sturt University |
| CSU | Charleston Southern University |
| CSU | Chicago State University |
| CSU | Christian Student Union |
| CSU | Cleveland State University |
| CSU | Colorado State University |
| CSU | Coloredfoam State University |