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All around the world, Callan (Callan , Ó , カラン ) is quite a rare mostly male, but infrequently feminine forename. The first name Callan is habitual in Australia, where it is quite a rare predominantly boy's, but very infrequently girly name, Ireland, where it is a rare boy's name, and the United Kingdom, where it is a rare principally boy's, but very infrequently feminine name. Not in comparison with a country's population, it is the most numerous in Australia, the United States, and the United Kingdom. More frequently, Callan is the last name as well as the forename.
Callan is also a name for the fictitious and mythical characters: .