| Abbreviation | Definition |
|---|---|
| CSU | Columbia Southern University |
| CSU | Columbus State University |
| CSU | Connecticut State University |
| CSUA | Computer Science Undergraduate Association |
| CSUB | California State University Bakersfield |
| CSUB | California State University, Bakersfield |
| CSUC | California State University Chico |
| CSUC | California State University, Chico |
| CSUD | California State University, Dominguez Hills |
| CSUD | Center for Sustainable Urban Development |
| CSUD | Cleveland State University Department |
| CSUE | California State University, East Bay |
| CSUE | Chinese Student Union at Emory |
| CSUE | Colorado State University Extension |
| CSUF | California State University Fresno |
| CSUF | California State University Fullerton |
| CSUF | California State University, Fresno |
| CSUF | California State University, Fullerton |
| CSUF | Central State University Foundation |
| CSUF | Colorado State University Foundation |