Fatso may refer to:

Animals

* The proper name of Keyboard Cat (now deceased), a cat who became the subject of an Internet meme * Fatso (crocodile), a saltwater crocodile in captivity in Western Australia

Arts, entertainment, and media

Fictional characters

* Sergeant "Fatso" Judson, a character in the 1953 American film ''From Here to Eternity'' * Fatso, a member of the Ghostly Trio and one of Casper the Friendly Ghost's uncles * Fatso, a wombat from the Australian television series ''A Country Practice'' * The Mancubus or Fatso, a character in the video game ''Doom II''

Films

* Fatso (1980 film), ''Fatso'' (1980 film), an American film directed by Anne Bancroft * Fatso (2008 film), ''Fatso'' (2008 film), a Norwegian film directed by Arild Fröhlich * ''Fatso!'', a 2012 Indian film directed by Rajat Kapoor

Literature

* ''Fatso'', a 1987 autobiography by retired American football player Art Donovan * ''FAT!SO?'', a 1998 book by Marilyn Wann

Music

* Fatso (band), a band who featured on the TV series ''Rutland Weekend Television''

People

* Leonard DiMaria (born 1941), New York mobster nicknamed Fatso * Vincenzo Licciardi (born 1965), Italian criminal clan boss nicknamed ''"'o Chiatto"'' (Fatso)

Other uses

* FTO gene, or Fatso, a gene linked to obesity and type 2 diabetes * Fatso the Fat-Arsed Wombat, an unofficial mascot of the Sydney 2000 Olympics * Fatso (service), an online DVD rental service in New Zealand {{disambiguation