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Worldwide, かやま (Kayama , かやま) is quite a rare epicene forename. The first name かやま is characteristic of India, where it is a rare dominantly female, but infrequently male name, Nigeria, where it is a rare largely masculine, but infrequently feminine name, and China, where it is an extremely rare male name. Also, かやま is the last name as well as the forename.