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Last name Хаяно (Hayano , Хаяно) , all over the world, is a rare cognomen. The family name Хаяно is characteristic of Estonia, where it is a rare surname, Japan, where it is a very rare surname, and Canada. Measured by absolute frequency, the name is most common in Japan, the United States, and Brazil. More frequently, Хаяно is the forename as well as the last name.