Family name Jaemjan (Jaemjan 
) , in the world, is a very rare cognomen. The surname Jaemjan is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. More prevalently, Jaemjan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jaemjan | Thailand, United States |