| Abbreviation | Definition |
|---|---|
| CISL | Cambridge Institute for Sustainability Leadership |
| CISPI | Cast Iron Soil Pipe Institute |
| CISU | Confucius Institute at Stellenbosch University |
| CIT | Canberra Institute of |
| CIT | Central Institute of Technology |
| CIT | Coconino Institute of Technology |
| CITAR | Chennai Institute of Technology and Applied Research |
| CITD | Central Institute of Tool Design |
| CITE | Christian Institute Of Tertiary Education |
| CITER | Cardiff Institute for Tissue Engineering and Repair |
| CITG | Chartered Institute of Taxation, Ghana |
| CITI | Collaborative Institution Training Initiative |
| CITI | Columbia Institute For Tele Information |
| CITI | Community Information Technology Institute |
| CITM | Coastal Institute of Technology and Management |
| CITN | Chartered Institute of Taxation Nigeria |
| CITN | Chartered Institute Of Taxation Of Nigeria |
| CITT | Canadian Institute of Traffic and Transportation |
| CIUS | CUNY Institute for Urban Systems |
| CIW | California Institution for Women |