Cognomen แจ่ม (Chaem 
, แจ่ม) , all around the world, is quite a rare last name. The surname แจ่ม is characteristic of Thailand, where it is a rare surname, Indonesia, and Saudi Arabia, where it is a very rare surname. In absolute terms, it is the most numerous in Indonesia, Thailand, and Brazil. Much less frequently, แจ่ม is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chaem | Thailand, Brazil, Indonesia, Malaysia, Saudi Arabia |