Cognomen אורסו (Orso 
, אורסו 
) , in the world, is quite a common family name. The cognomen אורסו is habitual in Italy, where it is quite a rare surname, Hungary, and Argentina. Measured by absolute frequency, this name is the most popular in Brazil, Italy, and the United States. Very seldom, אורסו is the forename as well as the last name.