Surname Риццо (Rizzo 
, Риццо 
) , around the world, is a widespread cognomen. The cognomen Риццо is characteristic of 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, the name is most common in Italy, the United States, and Argentina. Much less frequently, Риццо is the forename as well as the last name.