| CIEE | California Institute for Energy and Environment 
| Others |
| CIEE | Canadian Institute of Ecology and Evolution
| Others |
| CIEE | Center for International Education and Exchange
| Others |
| CIEE | Center for International Education Exchange
| Others |
| CIEE | Centrum Informacji i Edukacji Ekologicznej
| Others |
| CIEE | Chinese Institute of Electrical Engineering
| Others |
| CIEE | Companion of the Institution of Electrical Engineers
| Others |
| CIEE | Council on International Educational Exchange
| Others |