AS/N - atto
- AS/NZS Joint Standard 4360: Risk Management
- Asian Development Bank
- assessment
- asset
- asset stripping
- Association for Accountancy and Business Affairs
- Association for Investment Management and Research
- Association Francophone de Comptabilite
- Association of Accounting Technicians
- Association of Certified Fraud Examiners
- Association of Chartered Accountants in the United States
- Association of Chartered Certified Accountants
- Association of College and University Auditors
- Association of Government Accountants
- Association of International Accountants
- Association of News Media Internal Auditors
- assurance
- asymmetric information
- attest