Petrosinella is a Neapolitan literary fairy tale, written by Giambattista Basile in his collection of fairy tales in 1634, Lo cunto de li cunti (The Story of Stories), or Pentamerone. It is Aarne-Thompson type 310 The Maiden in the Tower, of which the best known variant is Rapunzel, and it is the earliest recorded variant of this tale known to exist.