Cognomen Сфорца (Sforza 
, Сфорца 
) , in the world, is quite a common surname. The cognomen Сфорца is habitual in British Virgin Islands, where it is quite a common surname, Italy, and Paraguay, where it is quite a rare surname. In absolute terms, the name is most common in Italy, the United States, and Argentina. Much less frequently, Сфорца is the forename as well as the last name.