- Impact fees
- Impound account
- Impounds
- Incentive stock options
- Income property
- Income tax
- Indemnity
- Independent bank
- Index fund
- Indirect loan
- Indirect tax
- Individual retirement account (IRA)
- Individual Taxpayer Identification Number (ITIN)
- Inflation
- Inheritance
- Inheritance tax
- Initial public offering (IPO)
- Innocent spouse rule
- Inspection report
- Installment contract
- Installment credit
- Installment loan
- Instant approval credit cards
- Insurance
- Insurance binder
- Intangible asset
- Intangible property
- Inter vivos gift
- Interchange fee
- Interest
- Interest checking account
- Interest income
- Interest rate
- Internet bank
- Interval
- Inventory turnover
- Investment bank
- Investment income
- Invoice price
- Irrevocable trust
- Issue
- Itemized deductions