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Surname Rubao (如宝 , 汝宝 , Rubao ) , throughout the world, is a rare family name. The surname Rubao is characteristic of China, where it is a very rare surname, Brazil, where it is an extremely rare surname, and Philippines. Not in comparison with a country's population, it is the most numerous in China, Brazil, and the United States. More frequently, Rubao is the forename as well as the last name.