Flatley is a surname. Notable people with the surname include:
Bert Flatley, English soccer player and managerElton Flatley, Australian rugby union playerJames H. Flatley, American Vice Admiral, naval aviator and tacticianJames H. Flatley III, a Rear Admiral in the United States NavyMichael Flatley, American step dancer, writer, flautist and choreographerPatricia Flatley Brennan, American nurse and academicPatrick Flatley, Canadian ice hockey playerPaul Flatley, American NFL playerStavros FlatleyThomas Flatley, Irish-American real estate tycoon and philanthropist