Frank Alexander
- Title: Frank Alexander
- Popularity: 1.14
- Known For: Acting
- Birthday: 1879-05-24
- Place of Birth: Olympia, Washington, USA
- Homepage:
- Also Known As: Fatty Alexander, 'Tiny' Alexander, Frank "Fatty" Alexander, Frank Dwight Alexander, Фрэнк Александр, Фрэнк Александер