Kettlebelly or Kettle Belly may refer to:
Gregory "Kettle Belly" Baldwin, a fictional character used by Robert Heinlein in some of his stories, including Gulf Kettle Belly, a character in the 1931 western Two Gun Man 'Kettle Belly' Simpson, a character in the 1927 film Somewhere in Sonora
See also Kettlebell, a cast iron or cast steel ball with a handle attached to the top Potbelly (disambiguation)