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Around the world, Kallas (Kallas , كلاس , Калас ) is a rare masculine forename. The first name Kallas is characteristic of Kazakhstan, where it is a rare male name, Syria, and Sudan. Not in comparison with a country's population, this name is the most popular in Kazakhstan, Sudan, and India. Predominantly, Kallas is the last name as well as the forename.
Kallas is also a name for the fictitious and mythical characters: Klaas Guts and Klaas Vermeulen .