Cognomen Karloss (Карлос 
, Karloss 
, کارلوس) , across the world, is a rare family name. The last name Karloss is habitual in Armenia, where it is quite a rare surname, Belarus, where it is a rare surname, and Tunisia. Not in comparison with a country's population, this name is the most popular in Armenia, Morocco, and Russia. Also, Karloss is the forename as well as the last name.