| Abbreviation | Definition |
|---|---|
| CIEAN | Canadian Institute of Education and Applied Neuroscience |
| CIEAT | Crescent Institute Engineering Admission Test |
| CIEE | Canadian Institute of Ecology and Evolution |
| CIEFL | Central Institute for English and Foreign Languages |
| CIEFL | Central Institute of English and Foreign Languages |
| CIEH | Chartered Institute of |
| CIEH | Chartered Institute of Environmental Health |
| CIEM | Central Institute for Economic Management |
| CIEP | CUNY Institute for Education Policy |
| CIES | Cornell Institute for European Studies |
| CIET | Camellia Institute of Engineering and Technology |
| CIET | Central Institute of Education and Training |
| CIET | Chitkara Institute of Engineering and Technology |
| CIET | Coimbatore Institute of Engineering and Technology |
| CIFA | Cape Institute for Architecture |
| CIFA | Central Institute of Freshwater Aquaculture |
| CIFA | Chartered Institute For Archaeologists |
| CIFAN | Chartered Institute of Financial and Investment Analysts, Nigeria |
| CIFAR | California Institute of Food and Agricultural Research |
| CIFAR | Canadian Institute For Advanced Research |