- Baby Bond
- Baby Boomer
- Back Office
- Back Stop
- Back-to-Back Letters of Credit
- Backdoor Roth IRA
- Backflush Costing
- Backlog
- Backorder
- Backtesting
- Backup Withholding
- Backward Integration
- Backwardation
- Bad Credit
- Bad Debt
- Bad Debt Expense
- Bag Holder
- Bail Bond
- Bail-In
- Bailout
- Bait and Switch
- Balance of Payments (BOP)
- Balance of Trade (BOT)
- Balanced Budget
- Balanced Fund
- Balanced Investment Strategy
- Balanced Scorecard
- Balloon Loan
- Balloon Payment
- Ballpark Figure
- Baltic Dry Index (BDI)
- Bancassurance
- Bandwagon Effect
- Bank
- Bank Bill Swap Rate
- Bank Capital
- Bank Confirmation Letter
- Bank Credit
- Bank Deposits
- Bank Identification Number
- Bank Rating
- Bank Reserve
- Bank Statement
- Bank Stress Test
- Bank Draft
- Bank Owned Life Insurance
- Beta
- Break-even Analysis
- Business Ethics
- Balance Sheet
- Bill of Lading
- Brexit
- Business Model
- Bitcoin Mining
- Black-Litterman Model
- Budget
- Business-to-Consumer
- Bankruptcy
- Blockchain
- Budget Deficit
- Business Valuation
- Bayes Theorem
- Bollinger Band
- Bull Market
- Bear Market
- Bond
- Business Cycle