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In the entire world, キーン (Keen , Kean , Keane , among others...) is a common unisex forename. The given name キーン is habitual in Botswana, where it is quite a rare unisex name, Barbados, where it is quite a rare male name, and Singapore. Measured by absolute frequency, it is the most numerous in India, the United States, and the Democratic Republic of the Congo. More frequently, キーン is the last name as well as the forename.
キーン is also a name for the fictitious and mythical characters: .