| Abbreviation | Definition |
|---|---|
| CIS | China Instrument and Control Society |
| CIS | Clinical Immunology Society |
| CIS | Computational Intelligence Society |
| CIS | -ýêhêhf |
| CIS | Zho¯ngguo´ Yi´qi` Yi´bia?o Xue´hui` |
| CIS | Zhongguo Yiqi Yibia o Xuehui |
| CIS | Zhongguo Yiqi Yibiao Xuehui |
| CISH | Comit International des Sciences Historiques |
| CISH | International Committee of Historical Sciences |
| CISP | Center for Information Society and Policy |
| CISPI | Chicago International Society for Performance Improvement |
| CISS | Conseil International des Sciences Sociales |
| CISS | Consejo Internacional de Ciencias Sociales |
| CISS | International Social Science Council |
| CISS | Internationaler Rat fr Sozialwissenschaften |
| CISS | Internationaler Rat für Sozialwissenschaften |
| CIST | Centre of Information Society Technologies |
| CITE | Canadian Institute of Transportation Engineers |
| CIV | Colegio de Ingenieros de Venezuela |
| CIV | College of Engineers of Venezuela |