| Acronym | Definition |
|---|
| AACS➣American Association of Christian Schools |
| AACS➣Advanced Access Content System (standard for content distribution and digital rights management) |
| AACS➣American Academy of Cosmetic Surgery |
| AACS➣Advanced Access Content System |
| AACS➣Alta Autoridade para a Comunicação Social (Portugal) |
| AACS➣American Association of Cosmetology Schools |
| AACS➣Alfred Almond Central School (Almond, NY) |
| AACS➣Attitude and Articulation Control Subsystem |
| AACS➣Adult Advancement and Careers Service (UK) |
| AACS➣Airborne Air Control Squadron |
| AACS➣Army Airways Communications System |
| AACS➣Ann Arbor Christian School (Ann Arbor, MI) |
| AACS➣American Academy of Clinical Sexologists |
| AACS➣Automated Access Control System |
| AACS➣Afsaneh Art and Culture Society (California) |
| AACS➣Australian Army Canteen Service |
| AACS➣Applied Aged Care Solutions (Victoria, Australia) |
| AACS➣Attitude & Articulation Control Subsystem |
| AACS➣Airborne Activity Confinement System |
| AACS➣Airways & Air Communications Service |
| AACS➣Asynchronous Address Communication Systems |
| AACS➣Automated Airspace Computer System |
| AACS➣Airborne Astrographic Camera System |
| AACS➣Automated Analog Circuit Synthesis |
| AACS➣Acquisition Advice Code System |
| AACS➣Association for Arkansas Cave Studies, Inc. |
| AACS➣Attitude and Antenna Control Subsystem |
| AACS➣Armenian American Cultural Society |
| AACS➣Ambient Air Control System |
| AACS➣Associate of Australian Computer Society |
| AACS➣Auxiliary Attitude Control System |
| AACS➣Authentication and Access Control System |
| AACS➣Anti Aircraft Control Station |
| AACS➣American Association of Cemetery Superintendents |
| AACS➣Aircraft Approach Control System (receiver-decoder) |