| Abbreviation | Definition |
|---|---|
| CAS | Chinese Academy of Sciences |
| CAS | Culture Awareness Society |
| CAS | Société Canadienne des Anesthésiologistes |
| CAS | Socit Canadienne des Anesthsiologistes |
| CAS | -ýÑfb |
| CAS | Zho¯ngguo´ Ke¯xue´ Yua`n |
| CAS | Zhongguo Kexue Yuan |
| CAS | Zhongguo Kexue Yua n |
| CASCA | Canadian Astronomical Society |
| CASCA | Société Canadienne d'Astronomie |
| CASCA | Socit Canadienne d'Astronomie |
| CASE | Connecticut Academy of Science and Engineering |
| CASHE | Central Arizona Society for Healthcare Engineering |
| CASHE | Chesapeake Area Society of Healthcare Engineering |
| CASI | Canadian Aeronautics and Space Institute |
| CASI | Chili Appreciation Society International |
| CASI | Institut Aéronautique et Spatial du Canada |
| CASI | Institut Aronautique et Spatial du Canada |
| CASLPA | Association Canadienne des Orthophonistes et Audiologistes |
| CASLPA | Canadian Association of Speech-Language Pathologists and Audiologists |