- AAA (American Accounting Association)
- ABC (Activity-based costing)
- Abnormal Profits
- Abnormal Spoilage
- Absorption Costing
- Abusive Tax Shelters
- Accelerated Cost Recovery System (ACRS)
- Accelerated-Depreciation Method
- Account
- Account Groups
- Account Reconciliation
- Accountancy
- Accountant
- Accounting
- Accounting Anomalies
- Accounting Cycle
- Accounting Entity
- Accounting Equation
- Accounting Estimate
- Accounting Income
- Accounting Information Systems (AIS)
- Accounting Period
- Accounting Principles
- Accounting Principles Board (APB)
- Accounting Profit
- Accounting Rate-of-Return Method
- Accounting Standard
- Accounting Standards Executive Committee (AcSEC)
- Accounting System
- Accounts Payable (AP)
- Accounts Payable Turnover
- Accounts Receivable (AR)
- Accounts Receivable (Customers) Subsidiary Ledger
- Accounts Receivable Turnover
- Accredited Investor
- Accrual-basis Accounting
- Accruals
- Accrued Expenses
- Accrued Liability
- Accrued Revenues
- Accumulated Depreciation
- Acquisition Cost
- Activity-Based Budgeting (ABB)
- Activity-Based Responsibility Accounting (ABRA)
- Activity Capacity
- Activity Driver
- Activity Inputs
- Activity Outputs
- Activity Ratios
- Activity Volume Variance
- Actual Costing
- Actuary
- Additional Paid-in Capital
- Additional Pension Liability
- Additions and Improvements
- Adjunct Account
- Adjustable Rate Loan/Mortgage
- Adjusted Basis of an Asset
- Adjusted Book Value
- Adjusted Gross Income (AGI)
- Adjusted Net Capital Gains
- Adjusted Trial Balance
- Adjusting Entries
- Administrative Costs
- Admission by Investment
- Admission by the Purchase of an Interest
- Adverse Audit Report
- Aging Accounts Receivable
- Allowance Method
- Amortization
- Asset Turnover
- Assets
- Auditing
- Authorized stock
- Average Collection Period
- Average-Cost Method