| Acronym | Definition |
|---|
| DCSI➣Detective Chief Superintendent (UK) |
| DCSI➣Deputy Chief of Staff for Intelligence (Army) |
| DCSI➣Department of Community Supervision and Intervention |
| DCSI➣Docan Computer Systems International |
| DCSI➣Dalhousie Computer Science In-House Conference |
| DCSI➣Data and Control Signal Interface (NASA) |
| DCSI➣Defense Communications System Installation |
| DCSI➣Data Channel Status Indicator |