Cognomen เค่ม (Khem 
, เค่ม) , all around the world, is quite a rare family name. The surname เค่ม is characteristic of Qatar, where it is quite a rare surname, Malaysia, and Nepal. Measured by absolute frequency, it is the most numerous in India, Malaysia, and the United States. Much more frequently, เค่ม is the forename as well as the last name.