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Cognomen 清水 (清水
, Shimizu
, Simizu
) , all around the world, is a common surname. The surname 清水 is habitual in Guam, where it is quite a common surname, Hong Kong, where it is quite a rare surname, and Japan. Measured by absolute frequency, the name is most common in Japan, Brazil, and China. Likewise, 清水 is the forename as well as the last name.