Kaytek the Wizard (Polish: Kajtuś Czarodziej) (alternatively Kaytek the Sorcerer or Kaytek the Magician, with some title renderings retaining the original name Kaytus instead of Kaytek) is a 1933 children's novel by Polish author, physician, and child pedagogue Janusz Korczak. It was published in English translation in August 2012, the second of Korczak's novels to be published in English. His other novel to be published in English was King Matt the First.