| ABAC | Association of British Aviation Consultants | 英国航空顾问协会 |
| ABAC | APEC Business Advisory Council | APEC工商咨询理事会 |
| ABAC | Antiquarian Booksellers Association of Canada | 加拿大古董书商协会 |
| ABAC | Association of Balloon and Airship Constructors | 气球和飞艇建造商协会 |
| ABAC | Antonio Balma Air Compressors | Antonio Balma空气压缩机 |
| ABAC | APEC (Asian-Pacific Economic Cooperation) Business Advisory Council | 亚太经合组织商业咨询理事会 |
| ABAC | AssociaciÓ de Buscadors AurÍfers de Catalunya (Catalonian, Spain) | AssociaciÓ de Buscadors AurÍfers de Catalunya (Catalonian, Spain) |
| ABAC | Arlington Bicycle Advisory Committee | 阿灵顿自行车咨询委员会 |
| ABAC | Alcohol Beverages Advertising Code (Australia) | 酒精饮料广告规范（澳大利亚） |
| ABAC | Alcohol Beverages Advertising Code | 酒精饮料广告代码 |
| ABAC | Attribute Based Access Control | 基于属性的访问控制 |
| ABAC | Assumption Business Administration College (Bangkok, Thailand) | 假设工商管理学院（泰国曼谷） |
| ABAC | Abraham Baldwin Agricultural College | 亚伯拉罕·鲍德温农业学院 |