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Around the world, Phio (ผิว , Phio , พิว ) is a rare epicene forename. The forename Phio is habitual in Thailand, where it is a rare unisex name, Indonesia, where it is a very rare gender-neutral name, and South Africa. In absolute terms, it is the most numerous in Thailand, Indonesia, and India. Very seldom, Phio is the last name as well as the forename.