- Fair Market Value (FMV)
- Fair Rental Value
- Federal Income Tax Withheld
- FICA (Federal Insurance Contributions Act)
- Fiduciary
- Finance Charges
- First In, First Out (FIFO)
- Fiscal Year
- Flat Tax Rate
- Flexible Spending Account
- Foreign Corporation
- Foreign Tax Credit or Deduction
- Foster Child
- Fringe Benefits
- Full-Time Student
- Fully Taxable Pensions