| Abbreviation | Definition |
|---|---|
| CIRA | Center for Interdisciplinary Research and Analysis |
| CIRB | Central Institutional Review Board |
| CIRCA | Center For Instructional And Research Computing Activities |
| CIRCLE | Center For Improving Readiness Of Children For Learning And Education |
| CIRCLE | Center For Indoor Recreation Conditioning Learning Enrichment |
| CIRF | Centralized Instructional Resource Facility |
| CIRM | Center for Investment Research and Management |
| CIRM | Centre for Information Resources Management |
| CIRS | Centre for Interactive Research on Sustainability (UBC) |
| CIS | Canadian Interuniversity Sport |
| CIS | Computer And Information Science |
| CISA | Cambridge International Studies Association |
| CISA3 | Center of Interdisciplinary Science for Art, Architecture and Archaeology (UCSD) |
| CISAC | Center for International Security And Cooperation |
| CISBAN | Centre for Integrated Systems Biology of Aging Nutrition |
| CISBAN | Centre for Integrated Systems Biology of Aging & Nutrition |
| CISC | Campus Information Security Committee |
| CISC | Centre for Innovation and Structural Change |
| CISC | Computer and Information SCiences |
| CISM | Center for Integrated Space Microsystems |