| Abbreviation | Definition |
|---|---|
| CICS | Center for Information and Computation Security |
| CICS | Center for Inner City Studies |
| CID | Career Information Day |
| CID | Center for International Development |
| CID | Chemistry Instructor Director |
| CIDR | Center For Instructional Development And Research |
| CIE | Cambridge International Examinations |
| CIE | Centre for International Education |
| CIEE | Centrum Informacji i Edukacji Ekologicznej |
| CIF | California Interscholastic Federation |
| CIFAR | Canadian Institute For Advanced Research |
| CIFCS | Centre for International Financial Crimes Studies |
| CIHM | Canadian Institute for Historical Micro-reproductions (University of Waterloo) |
| CIHM | Center for Investigating Healthy Minds (University of Wisconsin-Madison) |
| CIHM | Centre for Innovation in Health Management (University of Leeds) |
| CII | Coady International Institute |
| CIIB | Centro Interdisciplinar de Investiga????o Bioqu??mica |
| CIIB | Centro Interdisciplinar de Investigação Bioquímica |
| CIIB | Colegio Internacional de las Islas Baleares |
| CIIS | Computer Institute In Slemani |