| AAACS | Alberta Association Of Automobile Clubs Society | 阿尔伯塔省汽车俱乐部协会 |
| AAACS | American Academy of Ambulatory Care Service | 美国门诊护理服务学会 |
| AAACS | Assistance Animal Access Consulting Services | 协助动物获取咨询服务 |
| AAACS | Allianz Australia Accident Compensation Services | 安联澳大利亚事故赔偿服务 |
| AAACS | Accuracy Analysis of Artillery Cannon Systems | 火炮系统精度分析 |