| Acronym | Definition |
|---|
| CASS | Cassette |
| CASS | Chinese Academy of Social Sciences |
| CASS | Coding Accuracy Support System |
| CASS | Circuits and Systems Society (IEEE) |
| CASS | Coronary Artery Surgery Study |
| CASS | Computer Automated Surveillance System |
| CASS | Client Assets Sourcebook (Financial Conduct Authority; UK) |
| CASS | Creating a Safe School (anti-bullying) |
| CASS | Consolidated Automated Support System |
| CASS | California Agricultural Statistics Service |
| CASS | Cooperative Association of States for Scholarships |
| CASS | Center for Advanced Space Studies |
| CASS | Continuing Analysis and Surveillance System |
| CASS | Cargo Accounts Settlement System |
| CASS | Computer-Assisted Search Service |
| CASS | Cockpit Access Security System |
| CASS | Community Agency School Services (Frederick County, Maryland) |
| CASS | Canadian Agriculture Skills Service |
| CASS | Club Audi Sport Suisse (French: Swiss Audi Sport Club; automobile club; Switzerland) |
| CASS | Circumpolar Arctic Social Science |
| CASS | Commercial Air Service Standards |
| CASS | Center for AMEDD (Army Medical Department) Strategic Studies (Houston, TX) |
| CASS | Computer-Aided Sleep System |
| CASS | Copper Accelerated Salt Spray Test |
| CASS | Command Activated Sonobuoy (Sonar) System |
| CASS | Centre d'Animation Sociale et Sanitaire (French: Center for Health and Social Animation; Cameroon) |
| CASS | Command Active Sonobuoy System |
| CASS | Cataract-Alopecia-Sclerodactyly Syndrome |
| CASS | Computer-Assisted Surveillance System |
| CASS | Comprehensive Acoustic Simulation System |
| CASS | Categories of Sensitive Subjects |
| CASS | Cowboy Action Shooting Society (Australia) |
| CASS | Common ATCCS Support Software |
| CASS | Computer Aided Schematic System |
| CASS | Customer Access Support System (Sprint) |
| CASS | Centralized Aircraft Support System |
| CASS | Common Air Satellite Structure |
| CASS | Connecticut Association of Secondary Schools |
| CASS | Customer Access Scheduling System (Verizon) |
| CASS | Canadian Airport Security System |
| CASS | Configuration Accounting Support System |
| CASS | Consolidated Assistance and Support Services (New Jersey) |
| CASS | Calibration Accuracy Support System |
| CASS | Cooperative Active Safety System |
| CASS | Coarse Alignment Sub-System |
| CASS | Closed Area Security System |
| CASS | Computer Automated Support System |
| CASS | Command Active Sonar System |
| CASS | Chottanagpur Adivasi Sewa Samiti (India) |
| CASS | Control Aircraft Support System |
| CASS | Coded Accuracy Support System (USPS) |
