Family name จันทร์ขจร (จันทร์ขจร 
, Chankhachon , Chankajorn 
) , all around the world, is a rare surname. The surname จันทร์ขจร is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Very seldom, จันทร์ขจร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| จันทร์ขจร, Chankachorn, Chankhachon | Thailand |
| Chankajorn | Thailand, United States |
Chankhajohn, Chankhajorn, Jankajorn, and Monday