| Abbreviation | Definition |
|---|---|
| CSOC | County Sheriffs Of Colorado |
| CSOM | Canadian Society for Orthomolecular Medicine |
| CSOM | Colorado Society of Osteopathic Medicine |
| CSP | Chartered Society of Physiotherapy |
| CSP | Computer Society of Pakistan |
| CSPEC | Ad-hoc Committee on Scientific and Professional Ethics and Conduct |
| CSPI | Corrugated Steel Pipe Institute |
| CSPOMM | Certified Specialty of Proficiency in Osteopathic Manipulation Medicine |
| CSRA | Chicago Suburban Radio Association |
| CSSA | Chinese Student And Scholar Association |
| CSSA | Chinese Students Scholars Association |
| CSSA | Cognitive Science Student Association |
| CSSA | Computer Science Students Association |
| CSSAP | Chinese Student Scholar Association Program |
| CSSBI | Canadian Sheet Steel Building Institute |
| CSTA | Computer Systems Technology Association |
| CSUG | Chicago SolidWorks Users' Group |
| CSUR | Canadian Society for Unconventional Resources |
| CSUV | Compact Sport Utility Vehicle |
| CSVA | Collegiate Sports Video Association |