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Cognomen Kageyama (カゲヤマ , Kageyama , 影山 ) , worldwide, is quite a rare family name. The last name Kageyama is characteristic of Luxembourg, where it is quite a rare surname, Hong Kong, where it is a rare surname, and Singapore. Measured by absolute frequency, it most frequently occurs in Japan, the United States, and Brazil. More prevalently, Kageyama is the forename as well as the last name.