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Cognomen Kuwata (桑田 , Kuwata , كواتا) , in the entire world, is a rare family name. The surname Kuwata is habitual in Singapore, where it is a rare surname, Japan, and Switzerland, where it is a very rare surname. In absolute terms, it most frequently occurs in Japan, the United States, and China. Also, Kuwata is the forename as well as the last name.