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In the entire world, Janszoon (رايس , 扬松 , Янсон ) is quite a rare male forename. The first name Janszoon is habitual in Northern Africa, particularly Libya, where it is quite a rare male name, Algeria, where it is a rare boy's name, and Morocco. Measured by absolute frequency, it most frequently occurs in China, Algeria, and Morocco. Likewise, Janszoon is the last name as well as the forename.
Janszoon is also a name for the fictitious and mythical characters: .