Ratman is a 1988 Italian horror film.

Ratman, Rat-Man or Rat Man can also refer to the following:

• Rat-Man (comics), an Italian comic book series by Leonardo Ortolani, and its title character
• Ratman (manga), a Japanese manga by Sekihiko Inui, and its title character
• Rat Man, a nickname given by Sigmund Freud to one of his patients
• "Ratty" Erwins, also known as "The Rat Man", a character in Stephen King's The Stand
• Ratman, a character in the animated series Dexter's Laboratory from the 1996 episode "The Justice Friends: Ratman"
• "Rat Man", a nickname and alter-ego of Japanese serial killer Tsutomu Miyazaki

This disambiguation page lists articles associated with the title Ratman.
If an internal link led you here, you may wish to change the link to point directly to the intended article.