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Across the world, ลูก (Luk , Boul , ลูก ) is quite a common epicene given name. The first name ลูก is characteristic of Hong Kong, where it is quite a common unisex name, Belgium, where it is quite a rare masculine name, and Poland. Not in comparison with a country's population, it is the most numerous in India, Hong Kong, and Indonesia. More frequently, ลูก is the last name as well as the forename.
ลูก is also a name for the fictitious and mythical characters: .