| CASAS | California Adult Student Assessment System 
| Others |
| CASAS | Californian Admission Standards for Adult System
| Others |
| CASAS | Carrie A Seaman Animal Shelter
| Others |
| CASAS | Center for Advanced Studies in Adaptive Systems
| Others |
| CASAS | Centre Art Studio Alice Springs
| Others |
| CASAS | Centre for Advanced Studies of African Society
| Others |
| CASAS | Cisco Adaptive Security Appliance Specialist
| Others |
| CASAS | College of Applied Studies and Academic Success
| Others |
| CASAS | Community Action For Sustainable And Affordable Solutions
| Others |
| CASAS | Comprehensive Adult Student Assessment System
| Others |
| CASAS | Comprehensive Adult Student Assessment Systems
| Others |