| Abbreviation | Definition |
|---|---|
| AACC | Advanced Asterisk Call Center |
| AACC | All Arms Commando Course |
| AACC | Asterisk Advanced Call Center |
| AACCC | Attapulgite Activated Carbon Composite Ceramisite |
| AACD | Age Associated Cognitive Decline |
| AACD | Ageing Associated Cognitive Decline |
| AACG | Active Amino Chain Groups |
| AACG | Applicative Abstract Categorial Grammars |
| AACI | Asociación Arte Concreto-Invención |
| AACM | Asociacion Argentina de Cirugia de la Mano |
| AACMI | Autonomous Air Combat Maneuvering Instrumentation |
| AACN | Advanced Automatic Collision Notification |
| AACN | Advanced Automatic Crash Notification |
| AACO | AIDS Activities Coordinating Office |
| AACO | Arab Air Carriers Organisation |
| AACO | Auto Adaptive Contrast Optimisation |
| AACO | Auto Adaptive Contrast Optimization |
| AACP | Advanced Airborne Command Post |
| AACP | All About Caring Project |
| AACP | American Academy of Clinical Psychology |