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Last name 久野 (Hisano , Masanobu , 久野 ) , in the entire world, is quite a rare cognomen. The surname 久野 is characteristic of Japan, where it is quite a rare surname, Taiwan, where it is a rare surname, and Cambodia. Measured by absolute frequency, it is the most numerous in Japan, China, and Brazil. More frequently, 久野 is the forename as well as the last name.