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Cognomen Poncio (Poncio ) , all around the world, is quite a common surname. The family name Poncio is habitual in Latin America and the Caribbean, particularly Guatemala, where it is quite a common surname, Brazil, where it is quite a rare surname, and Argentina, where it is a rare surname. In absolute terms, it is commonest in Guatemala, Brazil, and Philippines. Much less frequently, Poncio is the forename as well as the last name.