| CSSD | Canadian Society for Social Development | 加拿大社会发展协会 |
| CSSD | Central Sterile Supply Department | 中央无菌供应部 |
| CSSD | Central School of Speech and Drama | 中央演讲与戏剧学院 |
| CSSD | Calgary Roman Catholic Separate School District | 卡尔加里罗马天主教独立学区 |
| CSSD | Computer Supported Simulations Division | 计算机支持模拟部 |
| CSSD | Computer Services and Systems Division | 计算机服务和系统部 |
| CSSD | Central Sterile Services Department | 中央无菌服务部 |
| CSSD | Central School of Speech and Drama (University of London, UK) | 中央演讲与戏剧学院（英国伦敦大学） |
| CSSD | Center for Sustainable Suburban Development | 可持续郊区发展中心 |
| CSSD | Combat Service Support Detachment (USMC) | 作战勤务支援分队（USMC） |
| CSSD | Combat Service Support Division (US Army) | 战斗勤务支持司（美国陆军） |
| CSSD | Central Sterile Stores Department | 中央无菌仓库部 |
| CSSD | Coordinator of Services for Students with Disabilities | 残疾学生服务协调员 |
| CSSD | CeskÁ Strana SociÁlnÌ DemokratickÁ (Czech Social Democratic Party) | CeskÁ Strana SociÁlnÌ DemokratickÁ (Czech Social Democratic Party) |
| CSSD | Certified Specialist in Sports Dietetics | 运动营养学认证专家 |
| CSSD | Combat Service Support Detachment | 作战勤务支援分遣队 |
| CSSD | Canadians for Safe and Sober Driving | 加拿大人安全和清醒驾驶 |
| CSSD | Central States Schools for the Deaf | 中央州立聋人学校 |
| CSSD | Computer Supported Spiritual Development | 计算机支持的精神发展 |
| CSSD | Chinese Society for Sustainable Development | 中国可持续发展学会 |