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Family name カツユキ (Katsuyuki , カツユキ , Katuyuki ) , all over the world, is a common surname. The cognomen カツユキ is habitual in Japan, where it is quite a rare surname, Taiwan, where it is a rare surname, and Malaysia, where it is a very rare surname. In absolute terms, it most frequently occurs in Eastern Asia, particularly Japan, China, and Taiwan. Very seldom, カツユキ is the forename as well as the last name.