Cognomen จันศักดิ์ (จันศักดิ์ 
) , throughout the world, is an extremely rare last name. The family name จันศักดิ์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much less frequently, จันศักดิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| จันศักดิ์ | Thailand |