| Acronym | Definition |
|---|
| ACAT | Aged Care Assessment Team (Australian medical term) |
| ACAT | Acetyl CoA (Coenzyme A): Acetyltransferase |
| ACAT | Acquisition Category |
| ACAT | Action by Christians for the Abolition of Torture (Paris, France) |
| ACAT | Acyl CoA (Coenzyme A): Cholesterol Acyltransferase |
| ACAT | Aironet Configuration Administration Tool |
| ACAT | Automated Customer Account Transfer |
| ACAT | Associazione Club Alcolisti in Trattamento (Italian: Alcoholics Treatment Association Club) |
| ACAT | Area Concentration Achievement Test |
| ACAT | Automated Computerized Axial Tomography |
| ACAT | Accreditation Council for Accounting and Taxation |
| ACAT | Academy of Communications Arts and Technology |
| ACAT | Automated Compliance Assessment Tool |
| ACAT | Advisory Committee on Accessible Transit (Toronto, Canada) |
| ACAT | Anticancer Agents and Targeting Group |