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Across the world, Keiji (吉川 , Keiji , Кэидзи ) is quite a rare predominantly boy's, but very infrequently girly first name. The first name Keiji is characteristic of Japan, where it is a rare male name, China, where it is a rare principally masculine, but very seldom girly name, and Australia, where it is a very rare male name. Not in comparison with a country's population, it most frequently occurs in China, Japan, and the United States. Also, Keiji is the last name as well as the forename.