| Abbreviation | Definition |
|---|---|
| CSO | Customer Services Officer |
| CSO | Customer Support Officer |
| CSOC | Cryogenics Safety Officers Committee |
| CSP | Certified Safety Professional |
| CSP | Certified Speaking Professional |
| CSP | Certified Staffing Professional |
| CSP | Closed Skill Performance |
| CSP | Community Service Personnel |
| CSP | Coordinator Special Programs |
| CSPO | Center Senior Procurement Official |
| CSPO | Certified Scrum Product Owner |
| CSPO | Chief Strategic Planning Officer |
| CSR | Certified Shorthand Reporter |
| CSR | Community Service Representative |
| CSR | Customer Service Representative |
| CSR | Customer Support Representative |
| CSS | Community Service Specialist |
| CSSR | Career Success Standards Rating system |
| CSSR | Customer Sales Service Representative |
| CSSW | Certified School Social Worker |