| Acronym | Definition |
|---|
| CAST | Center for Applied Special Technology |
| CAST | Center for Aging Services Technologies |
| CAST | Center for Advanced Spatial Technologies (University of Arkansas) |
| CAST | China Association for Science and Technology |
| CAST | Computer-Aided Software Testing |
| CAST | Cardiac Arrhythmia Suppression Trial (NIH) |
| CAST | Catch A Special Thrill |
| CAST | Caribbean Alliance for Sustainable Tourism |
| CAST | Chinese Acute Stroke Trial (medical trial) |
| CAST | College of Arts Science and Technology |
| CAST | Contemporary Art Services Tasmania (Australia) |
| CAST | Center for Analysis of Strategies and Technologies |
| CAST | China Aerospace Science and Technology Corp. |
| CAST | Caribbean Action for Sustainable Tourism |
| CAST | Carlisle Adams/Stafford Tavares (encryption ciphers) |
| CAST | Casting and Solidification Technology |
| CAST | Centre d'Actualisation Scientifique et Technique |
| CAST | Cluster Affinity Search Technique (algorithm) |
| CAST | Centro de Asistencia y Servicios Tecnológicos (Juarez, Mexico) |
| CAST | Capital Area Swim Team (Michigan) |
| CAST | Computer-Aided Self Teach (online training application) |
| CAST | Computer-Aided Submode Training (US Navy) |
| CAST | Center for Applied Space Technology (Kennedy Space Center, FL) |
| CAST | Cooperating Agents for Specific Tasks |
| CAST | Cooperative Agents for Specific Tasks |
| CAST | Carrier Availability Support Team |
| CAST | Capital Area Software Testers (Washington, DC) |
| CAST | Chinese Academy of Space and Technology |
| CAST | Cluster of Affected Sibling Test |
| CAST | Cosine All Sine Tangent (trigonometry) |
| CAST | Comprehensive Airport Simulation Technology (airport and plane development software) |
| CASt | Center for Astrostatistics |
| CAST | Callahan Area Show Theatre (Callahan, Florida) |
| CAST | Center for Advanced Studies in Telecommunications (Ohio State University) |
| CAST | China Aerospace Science and Technology Group |
| CAST | Command Aircraft Systems Training |
| CAST | Combined Avionics Systems Trainer (US DoD) |
| CAST | Close Air Support Tool |
| CAST | Creative Alliance Scriptwriting Talent project |
| CAST | Cross-Aft Shroud Tool |
| CAST | Combat Avionics Support Team (USAF) |
| CAST | Customer Assistance Service Team (Indiana Lumbermens Mutual 2000) |
| CAST | Civil Affairs Support Team |
| CAST | Coordinated ASW Services & Training |
| CAST | Core Administrative Standards Team |
| CAST | Cell Array Stress Test (computer memory) |
| CAST | Coomes Aquatic Swim Team (Abingdon, VA) |
| CAST | Certification and Accreditation Support Tool (US DoD) |
| CAST | Convoy Active Safety Technologies |
| CAST | Council for Agricultural Science and Technology |
| CAST | Combined Arms Staff Trainer |
| CAST | Committee of Advisors on Science and Technology |
| CAST | Combat Airman Skills Training (US DoD) |
| CAST | Couples Association of Sports Tournaments |
| CAST | Coalition to Abolish Slavery and Trafficking |
| CAST | Commercial Aviation Safety Team |