- 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