| DCSI | Data Channel Status Indicators | 数据通道状态指示器 |
| DCSI | Docan Computer Systems International | Docan计算机系统国际 |
| DCSI | Deputy Chief of Staff for Intelligence (Army) | 情报副参谋长（陆军） |
| DCSI | Distribution Control Systems, Inc. | 配电控制系统公司。 |
| DCSI | Department of Community Supervision and Intervention | 社区监督和干预部 |
| DCSI | Downriver Community Services, Inc. | 下游社区服务公司。 |
| DCSI | Dalhousie Computer Science In-House Conference | Dalhousie计算机科学内部会议 |
| DCSI | Defense Communications System Installation | 国防通信系统安装 |
| DCSI | Data and Control Signal Interface (NASA) | 数据和控制信号接口（NASA） |
| DCSI | Data Channel Status Indicator | 数据通道状态指示器 |