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Cognomen Yuichiro (Yuichiro
, ユウイチロウ
) , in the entire world, is a common family name. The surname Yuichiro is characteristic of Japan, where it is quite a common surname, Hong Kong, where it is a rare surname, and Denmark. Measured by absolute frequency, the name is most common in Japan, China, and Indonesia. Very seldom, Yuichiro is the forename as well as the last name.