Palahniuk, Palaniuk, Palahnuk or Palahnyuk (, ) is a Ukrainian surname, originally a matronymic from the given name Palazhka (). Notable people with the surname include:
Brandon Palaniuk (born 1984), American professional angler Chuck Palahniuk (born 1962), American novelist and freelance journalist Ihor Palahnyuk (born 1966), Ukrainian army officer Sam Palahnuk (born 1961), American video game designer Vasyl Palahnyuk (born 1991), Ukrainian professional footballer Volodymyr Palahnyuk (1919–2006), known as Jack Palance, American film actor
See also "Palahniuk's Laughter", 2005 single by Fightstar