Family name Jaejan (Jaejan 
) , in the world, is a very rare last name. The last name Jaejan is habitual in Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. Very seldom, Jaejan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jaejan | India, Thailand |