| ACAT | Action of Christians for the Abolition of Torture | 基督徒废除酷刑行动 |
| ACAT | acyl coenzyme A-cholesterol acyltransferase | 酰基辅酶A-胆固醇酰基转移酶 |
| ACAT | Acquisition Category | 采集类别 |
| ACAT | Automated Customer Account Transfer | 自动客户账户转账 |
| ACAT | Area Concentration Achievement Test | 区域浓度成就测试 |
| ACAT | Acetyl-CoA Acetyltransferase | 乙酰辅酶A乙酰转移酶 |
| ACAT | Automated Compliance Assessment Tool | 自动化法规遵从性评估工具 |
| ACAT | Accreditation Council for Accounting and Taxation | 会计和税务认证委员会 |
| ACAT | Albuquerque Cat Action Team | 阿尔伯克基猫行动队 |
| ACAT | Acyl CoA:cholesterol Acyltransferase | 酰基辅酶A：胆固醇酰基转移酶 |
| ACAT | Accreditation Council for Accountancy and Taxation | 会计和税务认证委员会 |
| ACAT | Aged Care Assessment Team (Australian medical term) | 老年护理评估团队（澳大利亚医学术语） |
| ACAT | Atlanta Cask Ale Tasting | 亚特兰大木桶啤酒品尝 |
| ACAT | Automated Computerized Axial Tomography | 自动计算机轴向层析成像 |
| ACAT | Academy of Communications Arts and Technology | 通信艺术与技术学院 |
| ACAT | Action by Christians for the Abolition of Torture (Paris, France) | 基督徒废除酷刑行动（法国巴黎） |
| ACAT | Advisory Committee on Accessible Transit (Toronto, Canada) | 无障碍交通咨询委员会（加拿大多伦多） |
| ACAT | Acyl CoA: Cholesterol Acyltransferase | 酰基辅酶A：胆固醇酰基转移酶 |
| ACAT | Arctic Cat, Inc. | 北极猫公司。 |
| ACAT | Aged Care Assessment Team | 老年护理评估小组 |
| ACAT | Asian Coalition Against Tobacco | 亚洲反烟草联盟 |
| ACAT | Aironet Configuration Administration Tool | Aironet配置管理工具 |
| ACAT | Alaska Community Action On Toxics | 阿拉斯加社区毒物行动 |
| ACAT | Area Concentration Achievement Tests | 区域浓度达标测试 |