| Abbreviation | Definition |
|---|---|
| CASC | Canadian Association of Science Centres |
| CASC | Canadian Association of Spiritual Care |
| CASC | Canadian Automobile Sport Clubs |
| CASCC | Canadian Agricultural Services Coordinating Committee |
| CASF | Canadian Association for Surface Finishing |
| CASF | Canadian Association of Specialty Foods |
| CASG | Canada Asia Synergy Group |
| CASH | Canada America Sweden Hydrolysis |
| CASI | Canadian Aeronautics and Space Institute |
| CASI | Canadian Association of Snowboard Instructors |
| CASI | The Canadian Aeronautics And Space Institute |
| CASID | Canadian Association for the Study of International Development |
| CASJ | Canadian Aeronautics and Space Journal |
| CASL | Canada Anti Spam Law |
| CASL | Canada Anti Spam Legislation |
| CASL | Canada's Anti-Spam Legislation |
| CASL | Canadian Anti Spam Law |
| CASL | Canadian Anti Spam Legislation |
| CASL | Canadian Association for School Libraries |
| CASM | Canadian Air and Space Museum |