Cognomen شلوس (Schloss 
, شلوس) , all over the world, is quite a rare family name. The surname شلوس is habitual in Cayman Islands, where it is quite a common surname, Jamaica, where it is quite a rare surname, and Luxembourg. In absolute terms, it most frequently occurs in the United States, Germany, and Australia. Very seldom, شلوس is the forename as well as the last name.