| Abbreviation | Definition |
|---|---|
| AMCAT | Assessment of Mental Capacity Audit Tool |
| AMLAC | Anti Money Laundering Audit and Compliance |
| AMPT | Audit Misstatement Posting Threshold |
| ANAO | Australian National Audit Office |
| AOB | Audit Oversight Board |
| APA | Associate in Premium Auditing |
| APARS | Audit of Physical Activity Resources for Seniors |
| APG | Audit Program Generator |
| APMU | Audit Policy Monitoring Unit |
| AQRT | Audit Quality Review Team |
| ARCP | Audit Resolution And Cost Policy |
| ARGUS | Audit Record Generation And Usage System |
| ARGUS | Audit Record Generation and Utilization System |
| ARRB | Audit Results Review Board |
| ASI | Audit Services Incorporated |
| ASSEC | Audit Serve Security Evaluation Criteria |
| ASSL | Audit Service Sierra Leone |
| ATICS | Audit of Transfusion in Intensive Care in Scotland |
| ATKSI | Audit Tata Kelola Sistem Informasi |
| ATNA | Audit Trail and Node Authentication |