| CASL | Cache Accelerated Sequential Layout 
| Others |
| CASL | California Association of Student Leaders
| Others |
| CASL | Canada Anti Spam Law
| Others |
| CASL | Canada Anti Spam Legislation
| Others |
| CASL | Canada's Anti-Spam Legislation
| Others |
| CASL | Canadian Anti Spam Law
| Others |
| CASL | Canadian Anti Spam Legislation
| Others |
| CASL | Canadian Association for School Libraries
| Others |
| CASL | Capital Area Soccer League
| Others |
| CASL | Capital Area Swim League
| Others |
| CASL | Center for Advanced Study of Language
| Others |
| CASL | Center for Applied Strategic Learning
| Others |
| CASL | Center for the Advancement of Sustainable Living
| Others |
| CASL | Central Alabama Soccer League
| Others |
| CASL | Central Arizona Soaring League
| Others |
| CASL | Chartered Advisor for Senior Living
| Others |
| CASL | Chicago Area Solo Librarians
| Others |
| CASL | China Aircraft Services Limited
| Others |
| CASL | Chinese American Service League
| Others |
| CASL | Christian Association of Student Leaders
| Others |
| CASL | Citizenship and Service Learning
| Others |
| CASL | Club Atletico San Lorenzo
| Others |
| CASL | College of Arts Sciences and Letters
| Others |
| CASL | Colorado Advocates For Smarter Lighting
| Others |
| CASL | Colorado Association of School Libraries
| Others |
| CASL | Column Address Strobe Low Byte
| Others |
| CASL | Commercial Aircraft Sales and Leasing
| Others |
| CASL | Common Algebraic Specification Language
| Others |
| CASL | Compact Application Script Language
| Others |
| CASL | Compact Application Solution Language
| Others |
| CASL | Compact Applications Solution Language
| Others |
| CASL | Competition Advocates Shopping List
| Others |
| CASL | Complex and Adaptive Systems Laboratory
| Others |
| CASL | comprehensive assessment
| Others |
| CASL | Comprehensive Assessment of Spoken Language
| Others |
| CASL | Computer Aided Systems Laboratory
| Others |
| CASL | Connecticut Association of School Librarians
| Others |
| CASL | Consortium for the Advanced Simulation of Light
| Others |
| CASL | Continuous Asl
| Others |
| CASL | Council Of Australian State Libraries
| Others |
| CASL | Creating Applied Systems Leadership
| Others |
| CASL | Crosstalk Application Scripting Language
| Others |
| CASL | Custom Attack Simulation Language
| Others |