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Last name Katsuno (Katsuno ) , in all the world, is a rare surname. The last name Katsuno is habitual in Czechia, where it is a rare surname, Singapore, and Belgium, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Japan, Brazil, and Czechia. Much more prevalently, Katsuno is the forename as well as the last name.