Family name เคลย์ (Khen 
, เคลย์ 
, Klaey 
) , throughout the world, is a common last name. The cognomen เคลย์ is habitual in Malaysia, where it is quite a common surname, Israel, where it is quite a rare surname, and Laos. In absolute terms, this name is the most popular in Malaysia, Bangladesh, and Algeria. Also, เคลย์ is the forename as well as the last name.