| Abbreviation | Definition |
|---|---|
| CRSD | Center for Rural Sustainable Development |
| CRSDA | Community Recreation & Skill Development Activities |
| CRUK | Cancer Research United Kingdom |
| CSAT | Centre for Substance Abuse Treatment |
| CSCD | Center for Sales and Customer Development |
| CSD | Center for Social Development |
| CSD | center for sustainable development |
| CSD | Commission for Sustainable Development |
| CSD | Commission on Sustainable Development |
| CSD | Community Services and Development |
| CSD | Computer Support and Development |
| CSDA | Certified Software Development Associate |
| CSDC | Charter Schools Development Center |
| CSDC | Charter Schools Development Corporation |
| CSDC | Child Study and Development Center |
| CSDC | China Shipping Development Company |
| CSDC | Cislunar Space Development Company |
| CSDC | Civil Society Development Centre |
| CSDC | College Student Development and Counseling |
| CSDC | Computer Software Development Certificate |