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Last name Quant (官 , Quant , Куант ) , worldwide, is a widespread family name. The cognomen Quant is habitual in Aruba, where it is a common surname, China, where it is quite a common surname, and Nicaragua (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in China, Nicaragua, and the United States. Very seldom, Quant is the forename as well as the last name.