| DCCU | Data Communication Control Unit | 数据通信控制器 |
| DCCU | Digital Communications and Control Unit (NASA) | 数字通信和控制单元(NASA) |
| DCCU | District of Canterbury Credit Union Ltd. (Kent, UK) | 坎特伯雷区信用合作社(英国肯特) |
| DCCU | Drug Control and Coordination Unit | 药物管制和协调股 |
| DCCU | Data Communications Control Unit | 数据通信控制单元 |
| DCCU | Delta Community Credit Union (formerly Delta Employees Credit Union) | Delta社区信用合作社(前身为Delta员工信用合作社) |
| DCCU | Display Computer Control Unit (NASA) | 显示计算机控制单元(NASA) |
| DCCU | DuPont Community Credit Union | 杜邦社区信用合作社 |
| DCCU | Digital Command and Control Unit (NASA) | 数字指挥和控制单元(NASA) |
| DCCU | DuTrac Community Credit Union | DuTrac社区信用合作社 |
| DCCU | Direct Current Charging Unit (British Army) | 直流充电装置(英国陆军) |
| DCCU | Dow Corning Corporation | 道康宁公司 |
| DCCU | Deere Community Credit Union | 迪尔社区信用合作社 |
| DCCU | Dell Client Configuration Utility | Dell客户端配置实用程序 |