>
Surname Riccio (Riccio
, Риччио
) , worldwide, is a common cognomen. The family name Riccio is characteristic of San Marino, where it is quite a common surname, Italy, and Argentina, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in Italy, the United States, and Argentina. Much less frequently, Riccio is the forename as well as the last name.