Cognomen แช่ม (Chaem 
, แช่ม) , all over the world, is quite a rare surname. The cognomen แช่ม is characteristic of Thailand, where it is a rare surname, Indonesia, and Saudi Arabia, where it is a very rare surname. In absolute terms, the name is most common in Indonesia, Thailand, and Brazil. Much less frequently, แช่ม is the forename as well as the last name.