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Cognomen Tabuchi (タブチ , Tabuchi
) , all around the world, is a rare family name. The surname Tabuchi is habitual in Papua New Guinea, where it is quite a rare surname, Japan, where it is a rare surname, and Singapore. Measured by absolute frequency, it is commonest in Japan, the United States, and Papua New Guinea. More frequently, Tabuchi is the forename as well as the last name.