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Cognomen Shiono (Shiono , Сионо) , throughout the world, is a rare last name. The family name Shiono is characteristic of Hong Kong, where it is a rare surname, Belgium, where it is a very rare surname, and Switzerland. Not in comparison with a country's population, the name is most common in Japan, Brazil, and the United States. Likewise, Shiono is the forename as well as the last name.