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Surname كازويا (Kazuya , Kamenashi , كازويا) , in the world, is quite a rare family name. The cognomen كازويا is characteristic of Japan, where it is quite a rare surname, Indonesia, where it is a rare surname, and Singapore. Measured by absolute frequency, it is commonest in Japan, Indonesia, and China. Likewise, كازويا is the forename as well as the last name.