| Abbreviation | Definition |
|---|---|
| CPOP | Certificate Program for Otolaryngology Personnel |
| CRA | Certified risk analyst |
| CRCC | Canadian Rehabilitation Counselor Certification |
| CS | Classical Studies |
| CS | Comprehensive School |
| CS | Computing Studies |
| CS | Credit Squeeze |
| CSB | CHirurgiae Baccalaureus (Bachelor of Christian Science) |
| CSBE | Certificate in Strengths-Based Education |
| CSCP | Certified Supply Chain Professional |
| CSCS | Construction Skills Certificate Scheme |
| CSE | Computer Science Engineering |
| CSEC | Caribbean Secondary Education Certificate |
| CSI | Criminal Science Investigation |
| CSM | Cyber Security and Management |
| CSOM | Computer Systems: Operations Management |
| CSOM | Computer Systems: Operations & Management |
| CSTC | Crushed Surfacing Top Coarse |
| CT | Cable Tray |
| CT | Cellular Tissue |