Frank Underwood
Frank, Franklin or Francis Underwood may refer to:
- Francis H. Underwood, American writer, founder of The Atlantic, and consul to Scotland
- Frank Underwood (English musician), folk and blues musician
- Frank Livingston Underwood, American banker and railroad developer
- Franklin Underwood, also known as Frank Underwood, American musical theater songwriter
- Frank Underwood (House of Cards), the fictional protagonist of the American television drama series ''House of Cards''