| DCIS | Data Call-In Staff | 数据调用人员 |
| DCIS | Dedicated Communications Interface Server | 专用通信接口服务器 |
| DCIS | Ductal Carcinoma In Situ (form of non-invasive breast cancer) | 原位导管癌（非侵入性乳腺癌的形式） |
| DCIS | Department of Consumer and Industry Services | 消费者和工业服务部 |
| DCIS | Defense Criminal Investigative Service | 国防刑事调查处 |
| DCIS | Ductal Carcinoma In Situ | 原位导管癌 |
| DCIS | Destination Common Channel Signaling System (4ESS) | 目的地公共信道信令系统（4ESS） |
| DCIS | Ductal Carcinoma In Situ - type of breast cancer | 原位乳腺导管癌 |
| DCIS | Dot Com International Solutions | DotCom国际解决方案 |
| DCIS | Defense Criminal Investigative Services (US DoD) | 国防刑事调查局（美国国防部） |
| DCIS | DECA Commissary Information System | DECA小卖部信息系统 |
| DCIS | Drug Court Information System | 毒品法庭信息系统 |
| DCIS | Dartmouth College Information System | 达特茅斯学院信息系统 |