Worldwide, Ljós (Lys 
, Ljós, Lés) is a common unisex first name. The forename Ljós is characteristic of the Democratic Republic of the Congo, where it is quite a common gender-neutral name, Madagascar, where it is quite a rare girly name, and Puerto Rico. In absolute terms, this name is the most popular in the Democratic Republic of the Congo, Madagascar, and Brazil. Much less frequently, Ljós is the last name as well as the forename.