Surname เคลส์ (Khen 
, เคลส์ 
) , throughout the world, is a common family name. The family name เคลส์ is habitual in Malaysia, where it is quite a common surname, Israel, where it is quite a rare surname, and Laos. Not in comparison with a country's population, it is the most numerous in Malaysia, Bangladesh, and Algeria. Also, เคลส์ is the forename as well as the last name.