Cognomen คุ่ม (Khum 
, คุ่ม) , in the world, is quite a rare last name. The cognomen คุ่ม is characteristic of Malaysia, where it is quite a rare surname, Myanmar, and Nepal, where it is a rare surname. In absolute terms, the name is most common in Malaysia, Myanmar, and India. Likewise, คุ่ม is the forename as well as the last name.