| QCS | Quick Charging System | 快速充电系统 |
| QCS | Quad Cities Computer Society | 四城市计算机协会 |
| QCS | Statements of Quality Control Standards | 质量控制标准声明 |
| QCS | Queen City Sound | 皇后城声音 |
| QCS | Quality Control Solutions | 质量控制解决方案 |
| QCS | Quilted Cherry Sunburst | 绗缝樱桃Sunburst |
| QCS | Quantitative CyberQuest | 定量CyberQuest |
| QCS | Quick Closing Syndrome | 快速闭合综合征 |
| QCS | Query Control Station | 查询控制站 |
| QCS | Quality Control Software | 质量控制软件 |
| QCS | Quantum Compliance Systems | 量子合规系统 |
| QCS | Queen's Colour Squadron (Royal Air Force ceremonial squadron) | 女王的色彩中队(皇家空军中队的仪式) |
| QCS | Quality Certification Services (Ohio, USA) | 质量认证服务（美国俄亥俄州） |
| QCS | Quinte Computer Services, Ltd (Ontario, Canada) | Quinte Computer Services，Ltd（加拿大安大略省） |
| QCS | QC Solutions (semiconductor test equipment manufacturer, Billerica, Massachusetts) | QC解决方案（半导体测试设备制造商，马萨诸塞州比勒里卡） |
| QCS | Quality Control Supervisor | 质量控制主管 |
| QCS | Quinte Counselling Services (Ontario, Canada) | Quinte咨询服务（加拿大安大略省） |
| QCS | Quality Control System | 质量控制体系 |
| QCS | Quality Computer Services, Incorporated | 质量计算机服务公司 |
| QCS | Quadro Comunitario di Sostegno (Italian: Community Support Network) | Quadro Comunitario di Sostegno（意大利语：社区支持网络） |
| QCS | Quality Customer Service (DISA) | 优质客户服务（DISA） |
| QCS | Quality Control Schedule | 质量控制计划 |
| QCS | Queensland Core Skills (exam for Australian schools in Queensland) | 昆士兰核心技能（昆士兰澳大利亚学校考试） |
| QCS | Quest Cyber Solutions | Quest网络解决方案 |
| QCS | QoS Customer Server | QoS客户服务器 |
| QCS | Queensland Core Skills | 昆士兰核心技能 |
| QCS | Quick Change System | 快速更换系统 |
| QCS | Quadruple Chain Sling | 四重链条吊索 |
| QCS | Quality Computer Services | 优质计算机服务 |