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Cognomen Mihara (ミハラ , Mihara
, 三原
) , globally, is a rare surname. The last name Mihara is habitual in Japan, where it is a rare surname, Singapore, and Brazil, where it is a very rare surname. In absolute terms, the name is most common in the United States, Brazil, and Japan. More frequently, Mihara is the forename as well as the last name.