| Abbreviation | Definition |
|---|---|
| CIA | C Information Abstractor |
| CIB | Coordinative Integration Broker |
| CIBIS | Corporate Internet Business Information Systems |
| CIC | Crystal Information Communication |
| CICD | Continuous Integration/Continuous Deployment |
| CIF | Caltech Intermediate Format |
| CIFZ | Core Is Forbidden Zone |
| CIGS | Corner For Interactive Geometry Software |
| CIM | Compaq Insight Manager |
| CIMI | Clinical Information Modeling Initiative |
| CIML | Customer Identity Markup Language |
| CIMP | Cumulative Impact Monitoring Program |
| CIMS | Continuous Improvement and Monitoring System |
| CIMS | Crisis Information Management Software |
| CINT | Coding Interview New Tab |
| CIP | Coloring Integer Program |
| CIP | Control and Information Protocol |
| CIPP | Context, Inputs, Processes, and Products |
| CIRS | Combined Incident Reporting Software |
| CIS | Composite Information Server |