Family name จันบุญ (จันบุญ 
) , in the world, is a very rare cognomen. The cognomen จันบุญ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, จันบุญ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| จันบุญ | Thailand |