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Cognomen Rizzo (Rizzo , 瑞佐 , ريزو ) , all over the world, is a widespread family name. The surname Rizzo is habitual in Malta, where it is a common surname, Italy, where it is quite a common surname, and Djibouti (explore the name in all countries). Not in comparison with a country's population, it is commonest in Italy, the United States, and Argentina. Much less frequently, Rizzo is the forename as well as the last name.