Cognomen לוסו (Lussu 
, Lossow 
, לוסו 
) , around the world, is quite a rare family name. The family name לוסו is habitual in Italy, where it is quite a rare surname, Switzerland, where it is a rare surname, and Germany. Measured by absolute frequency, the name is most common in Italy, Germany, and the United States. Much less frequently, לוסו is the forename as well as the last name.