Cognomen Карузо (Caruso 
, Karuzo 
, Карузо 
) , in all the world, is a common surname. The last name Карузо is habitual in Italy, where it is quite a common surname, Argentina, and Switzerland, where it is quite a rare surname. In absolute terms, this name is the most popular in Italy, the United States, and Argentina. Very seldom, Карузо is the forename as well as the last name.