| Acronym | Definition |
|---|
| MCAS➣Massachusetts Comprehensive Assessment System |
| MCAS➣Marine Corps Air Station |
| MCAS➣Maneuvering Characteristics Augmentation System (automated aviation safety) |
| MCAS➣Matrícula Consular de Alta Seguridad (Spansh: High Security Consular Registration) |
| MCAS➣Microsoft Certified Application Specialist (Microsoft) |
| MCAS➣Microsoft Certified Application Specialist |
| MCAS➣Michigan City Area Schools (Michigan City, Indiana) |
| MCAS➣Massachusetts Child Abuse System (standardized testing) |
| MCAS➣Mediterranean Center for Arts and Sciences |
| MCAS➣Mobile Servicing System (MSS) Common Attach System |
| MCAS➣Mississippi Coast Audubon Society |
| MCAS➣Midair Collision Avoidance System |
| MCAS➣Mission Capability Assessment System |
| MCAS➣Micro Communications and Avionics System |
| MCAS➣Multispectral Collection & Analysis System |
| MCAS➣Member of the Chinese Academy of Sciences |