King of the Monsters may refer to:
- Godzilla, a fictional character nicknamed the "King of the Monsters"
- Godzilla, King of the Monsters!, a 1956 Japanese-American film
- Godzilla, King of the Monsters (comic book), an American comic book series
- Godzilla: King of the Monsters in 3D, an unproduced American film
- Godzilla: King of the Monsters (2019 film), a 2019 American film
- King of the Monsters (video game), a 1991 video game
- King of the Monsters 2, a 1992 video game