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All around the world, Callisto (Callisto , كاليستو, Каллисто ) is a rare primarily boy's, but very seldom girly first name. The forename Callisto is characteristic of Italy, where it is a rare male name, Nigeria, where it is a very rare gender-neutral name, and the United States, where it is an extremely rare gender-neutral name. Likewise, Callisto is the last name as well as the forename.
Callisto is also a name for the fictitious and mythical characters: Callisto , the fictional character in Marvel Comics, Uncanny X-Men; Callisto , the television character, Xena: Warrior Princess; Callisto , the operatic character in the opera La casa disabitata by Princess Amalie of Saxony; Raimondo's major domo and Callisto , the Saint Seiya manga character, Saint Seiya: Next Dimension.