| Acronym | Definition |
|---|
| DCIS | Ductal Carcinoma In Situ (form of non-invasive breast cancer) |
| DCIS | Design of Circuits and Integrated Systems (Portugal) |
| DCIS | Data Consumer Interface Subsystem |
| DCIS | Design and Construction Information System (Texas) |
| DCIS | Defense Criminal Investigative Services (US DoD) |
| DCIS | Department of Consumer and Industry Services |
| DCIS | Data Call-In Staff |
| DCIS | Destination Common Channel Signaling System (4ESS) |
| DCIS | DECA Commissary Information System |
| DCIS | Dot Com International Solutions |
| DCIS | Dedicated Communications Interface Server |
