| Abbreviation | Definition |
|---|---|
| AAMS | Accredited Asset Management Specialist (US) |
| AAMS | Automated Accounts Management Services |
| AAN | Accounting Audit Notation |
| AAOB | Auditing Accounting Oversight Board |
| AAOC | Americas Account Opening Center |
| AAOIFI | Accounting and Auditing Organisation for Islamic Financial Institutions |
| AAP | Accruals Accounting Project |
| AAP | Administrative and Accounting Package |
| AAP | Association of Accountancy Practitioners |
| AAPA | Associate of the Association of Authorised Public Accountants |
| AAPA | Association of Authorised Public Accountants |
| AAPCC | Adjusted Average Per Capita Cost |
| AAPR | Annualized Average Percentage Rate |
| AARF | Australian Accounting Research Foundation |
| AARG | Accounting and Auditing Research Group |
| AAS | Australian Accounting Standard |
| AAS | Automated Accounting System |
| AASB | Auditing and Assurance Standards Board (Canada) |
| AASB | Australian Accounting Standards Board |
| AASC | Arab Accounting Services Center |