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Cognomen ユキコ (Yukiko , ユキコ ) , around the globe, is a widespread surname. The surname ユキコ is characteristic of Japan, where it is a common surname, Singapore, where it is a rare surname, and Spain, where it is a very rare surname. Measured by absolute frequency, the name is most common in Japan, China, and Indonesia. Much less frequently, ユキコ is the forename as well as the last name.