Bartok or Bartók is a surname. Notable people with the surname include:
Béla Bartók (1881–1945), Hungarian composer Eva Bartok (1927–1998), Hungarian actress
Fictional characters: Anton Bartok, character in the film The Fly II Janos Bartok, character in the science fiction Western TV series Legend Bartok, character in the film Last Knights Josef Bartok, character in a 2021 film adaptation of The Royal Game